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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG817690044

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817690044

Diamond specifications and retailer prices

From $289 SGD
$226 USD
As of November 2, 2026
Save $1,343 SGD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,632 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 LG817690044 or 817690044. Listed at 21 retailers as of November 1, 2026, with prices from $289 to $1,632, a $1,343 spread on the same certified stone. Reve Diamonds lists it at $1,632. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817690044
Dimensions12.77 × 5.35 × 3.28 mm
L/W Ratio2.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm5.35 mm1.31 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817690044
Side View
Table 60.0%Crown 33.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.3%

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: $875 SGD|Low: $278 SGD|High: $1,632 SGD|Avg: $755 SGD|-0.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 6$289 SGD
Retailer 5$322 SGD
Retailer 9$335 SGD
Retailer 4$358 SGD
Retailer 7$358 SGD
Retailer 10$428 SGD
Retailer 15$483 SGD
Retailer 16$598 SGD
Retailer 12$618 SGD
Retailer 11$663 SGD
Retailer 14$722 SGD
Retailer 1$875 SGD
Retailer 17$960 SGD
Retailer 2$978 SGD
Retailer 8$1,151 SGD
Retailer 3$1,155 SGD
Retailer 13$1,436 SGD
Reve Diamonds$1,632 SGD

37 data points across 18 retailers

21 retailers$289 SGD to $1,632 SGD

A
Cheapest Retailer
-
$289 SGD
$226 USD
A
Retailer 2
-
$322 SGD
$252 USD
View
Final sale: no returns
A
Retailer 3
-
$335 SGD
$262 USD
View
A
Retailer 4
-
$358 SGD
$280 USD
View
Retailer 5
-
$358 SGD
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$428 SGD
£264 GBP
View
B+
Retailer 7
-
$483 SGD
$378 USD
View
A
Retailer 8
-
$598 SGD
€445 EUR
View
A
Retailer 9
-
$618 SGD
ZAR 7,810 ZAR
View
A
Retailer 10
-
$654 SGD
$511 USD
View
A
Retailer 11
-
$663 SGD
£408 GBP
View
B+
Retailer 12
-
$722 SGD
A$868 AUD
View
B+
Retailer 13
-
$767 SGD
$600 USD
View
B+
Retailer 14
-
$875 SGD
A$1,053 AUD
View
B+
Retailer 15
-
$960 SGD
A$1,155 AUD
View
B+
Retailer 16
-
$978 SGD
$765 USD
View
B
Retailer 17
-
$1,151 SGD
$900 USD
View
B
Retailer 18
-
$1,155 SGD
$903 USD
View
B
Retailer 19
-
$1,218 SGD
$953 USD
View
B
Retailer 20
-
$1,436 SGD
£884 GBP
View
Most Expensive
B
Reve Diamonds
A8865663F · Nov 1
$1,632 SGD
$1,276 USD
View
20 more retailers have this diamond
Prices start from $289 SGDSave up to $1,343 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
$289 SGD