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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 $350 SGD
$274 USD
As of November 1, 2026
Save $1,555 SGD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,905 SGD 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 $350 to $1,905, a $1,555 spread on the same certified stone. Brilliant Earth lists it at $1,905. 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
Colour
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: Nov 1
Current: $1,432 SGD|Low: $350 SGD|High: $2,378 SGD|Avg: $1,036 SGD|-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
November 1, 2026
Retailer 16$350 SGD
Retailer 5$392 SGD
Retailer 3$534 SGD
Retailer 4$662 SGD
Retailer 2$671 SGD
Retailer 14$693 SGD
Retailer 13$738 SGD
Retailer 8$752 SGD
Retailer 18$871 SGD
Retailer 6$965 SGD
Retailer 17$995 SGD
Retailer 9$1,138 SGD
Retailer 15$1,316 SGD
Retailer 7$1,406 SGD
Brilliant Earth$1,432 SGD
Retailer 10$1,462 SGD
Retailer 11$1,557 SGD
Retailer 12$1,710 SGD

27 data points across 18 retailers

24 retailers$350 SGD to $1,905 SGD

A
Cheapest Retailer
-
$350 SGD
$274 USD
Final sale: no returns
Retailer 2
-
$354 SGD
$277 USD
View
Price last confirmed 30 days ago
Retailer 3
-
$392 SGD
$307 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$427 SGD
$334 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$456 SGD
$357 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$470 SGD
$368 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$534 SGD
$418 USD
View
A
Retailer 8
-
$662 SGD
€493 EUR
View
A
Retailer 9
-
$671 SGD
ZAR 8,481 ZAR
View
A
Retailer 10
-
$693 SGD
$542 USD
View
B+
Retailer 11
-
$738 SGD
£455 GBP
View
B+
Retailer 12
-
$752 SGD
$588 USD
View
B+
Retailer 13
-
$871 SGD
A$1,048 AUD
View
Retailer 14
-
$965 SGD
A$1,161 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$995 SGD
$778 USD
View
Retailer 16
-
$1,217 SGD
$952 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
$1,316 SGD
$1,029 USD
View
B
Retailer 18
-
$1,406 SGD
$1,100 USD
View
B
Retailer 19
-
$1,432 SGD
$1,120 USD
View
Retailer 20
-
$1,462 SGD
A$1,760 AUD
View
Price last confirmed 24 days ago
Retailer 21
-
$1,469 SGD
$1,149 USD
View
Price last confirmed 32 days ago
B
Retailer 22
-
$1,557 SGD
£959 GBP
View
B
Retailer 23
-
$1,710 SGD
$1,338 USD
View
Most Expensive
B
Brilliant Earth
16912620A · Oct 27
$1,905 SGD
$1,490 USD
View
23 more retailers have this diamond
Prices start from $350 SGDSave up to $1,555 SGD

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
$350 SGD