Marquise|Lab Grown|IGI

3.05ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG762544972

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762544972

Diamond specifications and retailer prices

From $3,194 USD
As of October 28, 2026
Save $12,802 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,996 USD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 3.05ct lab-grown marquise diamond

This 3.05ct 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 LG762544972 or 762544972. Listed at 15 retailers as of October 27, 2026, with prices from $3,194 to $15,996, a $12,802 spread on the same certified stone. Taylor and Hart lists it at $15,996. 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

3.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544972
Dimensions15.11 × 7.40 × 4.73 mm
L/W Ratio2.04
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 IIa
Top View
15.11 mm7.40 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544972
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $5,903 USD|Low: $3,788 USD|High: $19,579 USD|Avg: $9,160 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$3,946 USD
Retailer 8$5,700 USD
Retailer 1$5,903 USD
Retailer 10$6,912 USD
Retailer 5$7,367 USD
Retailer 11$8,760 USD
Retailer 6$9,724 USD
Retailer 12$10,325 USD
Retailer 7$10,442 USD
Retailer 9$11,397 USD
Retailer 4$12,078 USD
Retailer 2$19,579 USD

40 data points across 12 retailers

15 retailers$3,194 USD to $15,996 USD

A
Cheapest Retailer
-
$3,194 USD
A
Retailer 2
-
$3,946 USD
View
A
Retailer 3
-
$5,696 USD
HK$44,500 HKD
View
A
Retailer 4
-
$5,700 USD
View
A
Retailer 5
-
$5,903 USD
£4,648 GBP
View
B+
Retailer 6
-
$6,912 USD
View
B+
Retailer 7
-
$7,367 USD
€7,016 EUR
View
B+
Retailer 8
-
$8,760 USD
View
B+
Retailer 9
-
$9,724 USD
£7,657 GBP
View
B
Retailer 10
-
$10,325 USD
View
B
Retailer 11
-
$10,442 USD
ZAR 168,697 ZAR
View
B
Retailer 12
-
$11,397 USD
A$17,534 AUD
View
Price last confirmed 20 days ago
B
Retailer 13
-
$12,078 USD
View
Most Expensive
B
Taylor and Hart
L8M0R6T · Oct 27
$15,996 USD
View
13 more retailers have this diamond
Prices start from $3,194 USDSave up to $12,802 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
3.05ct Marquise
$3,194 USD