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Marquise|Lab Grown|IGI

3.06ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG638454970

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG638454970

Diamond specifications and retailer prices

From $2,778 USD
As of October 24, 2026
Save $19,002 USD (87%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $21,780 USD at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG638454970 or 638454970. Listed at 31 retailers as of October 23, 2026, with prices from $2,778 to $21,780, a $19,002 spread on the same certified stone. Do Amore Diamonds lists it at $21,780. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.06
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638454970
Dimensions14.77 × 7.55 × 4.78 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.77 mm7.55 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638454970
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: $21,780 USD|Low: $2,778 USD|High: $21,780 USD|Avg: $8,119 USD
Do Amore Diamonds
Retailer 2
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Retailer 24
October 29, 2026
Retailer 10$2,778 USD
Retailer 12$3,166 USD
Retailer 3$3,578 USD
Retailer 11$3,672 USD
Retailer 24$3,830 USD
Retailer 17$4,162 USD
Retailer 4$5,094 USD
Retailer 23$5,168 USD
Retailer 18$5,506 USD
Retailer 22$5,720 USD
Retailer 16$6,170 USD
Retailer 15$6,203 USD
Retailer 21$6,531 USD
Retailer 2$8,330 USD
Retailer 19$8,729 USD
Retailer 7$9,216 USD
Retailer 13$9,244 USD
Retailer 20$9,307 USD
Retailer 5$10,603 USD
Retailer 14$10,771 USD
Retailer 8$11,097 USD
Retailer 9$14,259 USD
Retailer 6$14,727 USD
Do Amore Diamonds$21,780 USD

36 data points across 24 retailers

31 retailers$2,778 USD to $21,780 USD

A
Cheapest Retailer
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$2,778 USD
A
Retailer 2
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$3,166 USD
View
Price last confirmed 8 days ago
A
Retailer 3
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$3,166 USD
View
Price last confirmed 21 days ago
A
Retailer 4
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$3,538 USD
View
Price last confirmed 29 days ago
A
Retailer 5
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$3,578 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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$3,672 USD
View
Price last confirmed 21 days ago
A
Retailer 7
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$3,672 USD
View
Price last confirmed 19 days ago
A
Retailer 8
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$3,830 USD
View
Price last confirmed 6 days ago
A
Retailer 9
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$3,849 USD
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Price last confirmed 30 days ago
A
Retailer 10
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$4,047 USD
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Price last confirmed 30 days ago
A
Retailer 11
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$5,065 USD
View
Price last confirmed 19 days ago
A
Retailer 12
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$5,065 USD
View
Price last confirmed 7 days ago
A
Retailer 13
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$5,094 USD
HK$39,800 HKD
View
A
Retailer 14
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$5,168 USD
View
Price last confirmed 7 days ago
A
Retailer 15
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$5,506 USD
£4,335 GBP
View
Price last confirmed 7 days ago
A
Retailer 16
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$5,660 USD
View
Price last confirmed 29 days ago
A
Retailer 17
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$5,720 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
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$6,170 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
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$6,203 USD
£4,884 GBP
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Price last confirmed 7 days ago
B+
Retailer 20
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$8,330 USD
View
B+
Retailer 21
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$8,350 USD
View
B+
Retailer 22
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$8,729 USD
£6,873 GBP
View
Price last confirmed 8 days ago
B+
Retailer 23
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$9,216 USD
View
Price last confirmed 9 days ago
B+
Retailer 24
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$9,244 USD
A$14,221 AUD
View
Price last confirmed 7 days ago
B+
Retailer 25
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$9,307 USD
ZAR 150,355 ZAR
View
Price last confirmed 9 days ago
B
Retailer 26
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$10,603 USD
View
Price last confirmed 8 days ago
B
Retailer 27
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$10,771 USD
View
Price last confirmed 7 days ago
B
Retailer 28
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$11,097 USD
A$17,072 AUD
View
Price last confirmed 20 days ago
B
Retailer 29
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$14,259 USD
View
Price last confirmed 7 days ago
B
Retailer 30
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$14,727 USD
SGD 19,901 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-2DA2774C6 · Oct 23
$21,780 USD
View
30 more retailers have this diamond
Prices start from $2,778 USDSave up to $19,002 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.06ct Marquise
$2,778 USD