CaratHunter
Plans
Cushion|Lab Grown|IGI

1.31ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG681580361

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG681580361

Diamond specifications and retailer prices

From $504 SGD
As of November 6, 2026
Save $206 SGD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,826 SGD at MOH London · As of October 19, 2026
View at MOH London

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG681580361 or 681580361. Listed at 6 retailers as of November 6, 2026, with a 41% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681580361
Dimensions7.50 × 5.78 × 3.90 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm5.78 mm1.31 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681580361
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,826 SGD|Low: $504 SGD|High: $1,826 SGD|Avg: $966 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$504 SGD
Retailer 7$549 SGD
Retailer 5$684 SGD
Retailer 2$710 SGD
Retailer 10$739 SGD
Retailer 11$865 SGD
Retailer 3$1,179 SGD
Retailer 4$1,292 SGD
Retailer 8$1,391 SGD
Retailer 9$1,491 SGD
MOH London$1,826 SGD

16 data points across 11 retailers

6 retailers$504 SGD to $710 SGD

A
Cheapest Retailer
-
$504 SGD
A
Retailer 2
-
$549 SGD
View
A
Retailer 3
-
$684 SGD
View
A
Retailer 4
-
$710 SGD
View
Retailer 5
-
$1,292 SGD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG681580361 · Oct 19
$1,826 SGD
£1,122 GBP
View
Price last confirmed 18 days ago
5 more retailers have this diamond
Prices start from $504 SGDSave up to $206 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 Cushion
$504 SGD