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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG818650471

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818650471

Diamond specifications and retailer prices

From $278 SGD
$217 USD
As of November 1, 2026
Save $1,225 SGD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,503 SGD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818650471 or 818650471. Listed at 16 retailers as of November 1, 2026, with prices from $278 to $1,503, a $1,225 spread on the same certified stone. Reve Diamonds lists it at $1,503. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818650471
Dimensions12.72 × 5.42 × 3.18 mm
L/W Ratio2.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.72 mm5.42 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818650471
Side View
Table 60.0%Crown 33.1°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 58.7%

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: Nov 1
Current: $794 SGD|Low: $278 SGD|High: $1,511 SGD|Avg: $772 SGD|+10.7%
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
Reve Diamonds
November 2, 2026
Retailer 3$278 SGD
Retailer 7$368 SGD
Retailer 4$416 SGD
Retailer 9$532 SGD
Retailer 12$540 SGD
Retailer 8$562 SGD
Retailer 2$639 SGD
Retailer 6$751 SGD
Retailer 1$794 SGD
Retailer 13$953 SGD
Retailer 5$1,058 SGD
Retailer 11$1,151 SGD
Retailer 10$1,439 SGD
Reve Diamonds$1,503 SGD

36 data points across 14 retailers

16 retailers$278 SGD to $1,503 SGD

A
Cheapest Retailer
-
$278 SGD
$217 USD
Final sale: no returns
Retailer 2
-
$307 SGD
$240 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$344 SGD
HK$2,100 HKD
View
A
Retailer 4
-
$368 SGD
£227 GBP
View
B+
Retailer 5
-
$416 SGD
$325 USD
View
A
Retailer 6
-
$532 SGD
ZAR 6,714 ZAR
View
A
Retailer 7
-
$540 SGD
€402 EUR
View
A
Retailer 8
-
$562 SGD
£346 GBP
View
A
Retailer 9
-
$639 SGD
$500 USD
View
B+
Retailer 10
-
$751 SGD
A$903 AUD
View
B+
Retailer 11
-
$794 SGD
$621 USD
View
B+
Retailer 12
-
$953 SGD
$745 USD
View
B
Retailer 13
-
$1,058 SGD
$828 USD
View
B
Retailer 14
-
$1,151 SGD
$900 USD
View
B
Retailer 15
-
$1,439 SGD
£886 GBP
View
Most Expensive
B
Reve Diamonds
148CC4C3D · Nov 1
$1,503 SGD
$1,175 USD
View
15 more retailers have this diamond
Prices start from $278 SGDSave up to $1,225 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
1.31ct Marquise
$278 SGD