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Marquise|Lab Grown|IGI

1.20ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG742534902

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG742534902

Diamond specifications and retailer prices

From $274 USD
As of October 31, 2026
Save $1,216 USD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,490 USD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG742534902 or 742534902. Listed at 24 retailers as of October 27, 2026, with prices from $274 to $1,490, a $1,216 spread on the same certified stone. Brilliant Earth lists it at $1,490. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742534902
Dimensions11.01 × 5.54 × 3.45 mm
L/W Ratio1.99
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
11.01 mm5.54 mm1.20 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742534902
Side View
Table 58.0%Crown 35.4°Girdle: STK-THKPavilion 39.9°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: Oct 31
Current: $1,120 USD|Low: $274 USD|High: $1,860 USD|Avg: $829 USD|-39.8%
Brilliant Earth
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 11$274 USD
Retailer 4$307 USD
Retailer 16$418 USD
Retailer 3$518 USD
Retailer 18$527 USD
Retailer 15$543 USD
Retailer 12$572 USD
Retailer 8$588 USD
Retailer 14$681 USD
Retailer 6$755 USD
Retailer 13$778 USD
Retailer 9$890 USD
Retailer 2$1,029 USD
Retailer 7$1,100 USD
Brilliant Earth$1,120 USD
Retailer 10$1,144 USD
Retailer 5$1,233 USD
Retailer 17$1,343 USD

27 data points across 18 retailers

24 retailers$274 USD to $1,490 USD

A
Cheapest Retailer
-
$274 USD
Final sale: no returns
Retailer 2
-
$277 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$307 USD
View
Retailer 4
-
$334 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$357 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$368 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$418 USD
View
A
Retailer 8
-
$518 USD
€493 EUR
View
A
Retailer 9
-
$527 USD
ZAR 8,506 ZAR
View
A
Retailer 10
-
$543 USD
View
B+
Retailer 11
-
$572 USD
£451 GBP
View
B+
Retailer 12
-
$588 USD
View
B+
Retailer 13
-
$681 USD
A$1,048 AUD
View
Retailer 14
-
$755 USD
A$1,161 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$778 USD
View
Retailer 16
-
$952 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$1,029 USD
View
B
Retailer 18
-
$1,100 USD
View
B
Retailer 19
-
$1,120 USD
View
Retailer 20
-
$1,144 USD
A$1,760 AUD
View
Price last confirmed 23 days ago
Retailer 21
-
$1,149 USD
View
Price last confirmed 31 days ago
B
Retailer 22
-
$1,233 USD
£971 GBP
View
B
Retailer 23
-
$1,343 USD
View
Most Expensive
B
Brilliant Earth
16912620A · Oct 27
$1,490 USD
View
23 more retailers have this diamond
Prices start from $274 USDSave up to $1,216 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
$274 USD