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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG821613562

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821613562

Diamond specifications and retailer prices

From $3,278 USD
As of October 30, 2026
Save $12,910 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $16,188 USD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821613562 or 821613562. Listed at 24 retailers as of October 30, 2026, with prices from $3,278 to $16,188, a $12,910 spread on the same certified stone. Novita Diamonds lists it at $16,188. 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

3.09
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821613562
Dimensions14.55 × 7.67 × 4.81 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.55 mm7.67 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821613562
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

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 30
Current: $16,188 USD|Low: $3,273 USD|High: $16,188 USD|Avg: $6,301 USD
Novita Diamonds
Retailer 2
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Retailer 12
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Retailer 19
November 1, 2026
Retailer 5$3,278 USD
Retailer 2$3,671 USD
Retailer 6$3,701 USD
Retailer 7$3,802 USD
Retailer 4$3,960 USD
Retailer 8$4,751 USD
Retailer 3$4,796 USD
Retailer 14$5,062 USD
Retailer 17$5,458 USD
Retailer 9$5,806 USD
Retailer 16$5,943 USD
Retailer 19$6,150 USD
Retailer 11$7,740 USD
Retailer 13$8,624 USD
Retailer 15$8,827 USD
Retailer 18$8,888 USD
Retailer 12$9,637 USD
Retailer 10$13,315 USD
Novita Diamonds$16,188 USD

32 data points across 19 retailers

24 retailers$3,278 USD to $16,188 USD

A
Cheapest Retailer
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$3,278 USD
A
Retailer 2
-
$3,671 USD
View
Final sale: no returns
A
Retailer 3
-
$3,701 USD
View
A
Retailer 4
-
$3,802 USD
View
A
Retailer 5
-
$3,960 USD
View
Retailer 6
-
$3,973 USD
View
Price last confirmed 34 days ago
Retailer 7
-
$4,178 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$4,751 USD
View
A
Retailer 9
-
$4,796 USD
View
Retailer 10
-
$4,885 USD
£3,846 GBP
View
Price last confirmed 33 days ago
A
Retailer 11
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$5,062 USD
£3,986 GBP
View
A
Retailer 12
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$5,283 USD
£4,160 GBP
View
A
Retailer 13
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$5,458 USD
View
B+
Retailer 14
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$5,806 USD
£4,572 GBP
View
A
Retailer 15
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$5,943 USD
€5,660 EUR
View
B+
Retailer 16
-
$6,150 USD
View
B+
Retailer 17
-
$7,740 USD
View
B+
Retailer 18
-
$8,624 USD
A$13,268 AUD
View
B+
Retailer 19
-
$8,827 USD
ZAR 142,595 ZAR
View
B+
Retailer 20
-
$8,888 USD
View
B+
Retailer 21
-
$9,637 USD
£7,588 GBP
View
Retailer 22
-
$12,270 USD
View
Price last confirmed 34 days ago
B
Retailer 23
-
$13,315 USD
View
Most Expensive
B
Novita Diamonds
cert_821613562 · Nov 1
$16,188 USD
A$24,904 AUD
View
23 more retailers have this diamond
Prices start from $3,278 USDSave up to $12,910 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
3.09ct Marquise
$3,278 USD