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Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG818657945

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818657945

Diamond specifications and retailer prices

From $295 SGD
$231 USD
As of October 30, 2026
Save $1,261 SGD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,556 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818657945 or 818657945. Listed at 22 retailers as of October 30, 2026, with prices from $295 to $1,556, a $1,261 spread on the same certified stone. Reve Diamonds lists it at $1,556. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657945
Dimensions10.50 × 5.48 × 3.39 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm5.48 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657945
Side View
Table 58.0%Crown 37.3°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 61.9%

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 30
Current: $688 SGD|Low: $295 SGD|High: $1,333 SGD|Avg: $696 SGD
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
October 31, 2026
Retailer 3$295 SGD
Retailer 5$329 SGD
Retailer 4$445 SGD
Retailer 8$537 SGD
Retailer 10$565 SGD
Retailer 7$606 SGD
Retailer 1$688 SGD
Retailer 11$804 SGD
Retailer 13$805 SGD
Retailer 2$848 SGD
Retailer 6$920 SGD
Retailer 9$932 SGD
Retailer 12$1,320 SGD

43 data points across 13 retailers

22 retailers$295 SGD to $1,556 SGD

Retailer 1
-
$254 SGD
$199 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$295 SGD
$231 USD
View
Final sale: no returns
Retailer 3
-
$308 SGD
$241 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$329 SGD
$257 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$376 SGD
HK$2,300 HKD
View
B+
Retailer 6
-
$445 SGD
$348 USD
View
A
Retailer 7
-
$537 SGD
€400 EUR
View
A
Retailer 8
-
$556 SGD
$435 USD
View
A
Retailer 9
-
$565 SGD
ZAR 7,136 ZAR
View
A
Retailer 10
-
$606 SGD
£373 GBP
View
B+
Retailer 11
-
$688 SGD
A$828 AUD
View
B+
Retailer 12
-
$804 SGD
A$967 AUD
View
B+
Retailer 13
-
$805 SGD
$630 USD
View
B
Retailer 14
-
$848 SGD
$663 USD
View
B+
Retailer 15
-
$920 SGD
$720 USD
View
B+
Retailer 16
-
$932 SGD
A$1,122 AUD
View
Retailer 17
-
$1,057 SGD
$827 USD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$1,070 SGD
View
B
Retailer 19
-
$1,121 SGD
$877 USD
View
B
Retailer 20
-
$1,125 SGD
$880 USD
View
B
Retailer 21
-
$1,320 SGD
£813 GBP
View
Most Expensive
B
Reve Diamonds
02ACDE5D5 · Oct 30
$1,556 SGD
$1,217 USD
View
21 more retailers have this diamond
Prices start from $295 SGDSave up to $1,261 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
$295 SGD