Marquise|Lab Grown|IGI

1.20ct D VVS2 Marquise Lab Grown Diamond

EX • D/VVS2 • IGI LG800670642

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800670642

Diamond specifications and retailer prices

From $313 USD
As of November 2, 2026
Save $1,358 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,780 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800670642 or 800670642. Listed at 22 retailers as of November 2, 2026, with a 434% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800670642
Dimensions11.00 × 5.63 × 3.51 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm5.63 mm1.20 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800670642
Side View
Table 60.0%Crown 35.2°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 62.3%

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: Nov 2
Current: $768 USD|Low: $300 USD|High: $1,691 USD|Avg: $786 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 3$313 USD
Retailer 11$357 USD
Retailer 7$363 USD
Retailer 4$388 USD
Retailer 15$388 USD
Retailer 5$517 USD
Retailer 8$543 USD
Retailer 2$545 USD
Retailer 10$737 USD
Retailer 1$768 USD
Retailer 14$1,001 USD
Retailer 13$1,038 USD
Retailer 16$1,137 USD
Retailer 6$1,375 USD
Retailer 12$1,600 USD
Retailer 9$1,671 USD

42 data points across 16 retailers

22 retailers$313 USD to $1,671 USD

Retailer 1
-
$313 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$313 USD
View
Retailer 3
-
$363 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$388 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$388 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$411 USD
View
A
Retailer 7
-
$517 USD
View
B+
Retailer 8
-
$543 USD
View
A
Retailer 9
-
$545 USD
View
Retailer 10
-
$608 USD
View
Price last confirmed 70 days ago
B+
Retailer 11
-
$737 USD
View
B+
Retailer 12
-
$768 USD
View
B+
Retailer 13
-
$1,001 USD
View
B+
Retailer 14
-
$1,038 USD
View
B
Retailer 15
-
$1,137 USD
View
Retailer 16
-
$1,375 USD
View
Price last confirmed 35 days ago
B
Retailer 17
-
$1,375 USD
View
B
Retailer 18
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$1,534 USD
View
B
Retailer 19
-
$1,548 USD
View
B
Retailer 20
-
$1,600 USD
View
B
Retailer 21
-
$1,671 USD
View
Most Expensive
Do Amore Diamonds
27-72746678C · Nov 2
$2,780 USD
View
Price under review
21 more retailers have this diamond
Prices start from $313 USDSave up to $1,358 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
1.20ct Marquise
$313 USD