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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG769673855

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769673855

Diamond specifications and retailer prices

From $713 SGD
A$858 AUD
As of November 2, 2026
Save $540 SGD (43%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,405 SGD at MOH London · As of October 19, 2026
View at MOH London

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 LG769673855 or 769673855. Listed at 17 retailers as of November 2, 2026, with a 76% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769673855
Dimensions11.72 × 5.74 × 3.53 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm5.74 mm1.31 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769673855
Side View
Table 57.0%Crown 32.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,405 SGD|Low: $349 SGD|High: $1,415 SGD|Avg: $806 SGD|+0.6%
MOH London
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 19, 2026
Retailer 13$349 SGD
Retailer 11$419 SGD
Retailer 5$471 SGD
Retailer 9$593 SGD
Retailer 8$606 SGD
Retailer 2$632 SGD
Retailer 6$713 SGD
Retailer 4$758 SGD
Retailer 10$858 SGD
Retailer 12$908 SGD
Retailer 3$960 SGD
Retailer 7$1,253 SGD
MOH London$1,405 SGD

29 data points across 13 retailers

17 retailers$713 SGD to $1,253 SGD

Retailer 1
-
$281 SGD
$220 USD
Price last confirmed 17 days ago
Retailer 2
-
$326 SGD
$255 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$349 SGD
$273 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$349 SGD
$273 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$471 SGD
$368 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$593 SGD
ZAR 7,497 ZAR
View
Price last confirmed 15 days ago
Retailer 7
-
$632 SGD
£389 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$713 SGD
A$858 AUD
View
Retailer 9
-
$758 SGD
$593 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$858 SGD
A$1,032 AUD
View
Price last confirmed 15 days ago
Retailer 11
-
$908 SGD
$710 USD
View
Price last confirmed 14 days ago
Retailer 12
-
$960 SGD
A$1,155 AUD
View
Price last confirmed 25 days ago
Retailer 13
-
$978 SGD
$765 USD
View
Price last confirmed 15 days ago
Retailer 14
-
$1,120 SGD
$876 USD
View
Price last confirmed 17 days ago
Retailer 15
-
$1,188 SGD
$929 USD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$1,253 SGD
$980 USD
View
Most Expensive
MOH London
LG769673855 · Oct 19
$1,405 SGD
£865 GBP
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $713 SGDSave up to $540 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.

B+
1.31ct Marquise
$713 SGD