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Round|Lab Grown|IGI

1.31ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG761528295

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761528295

Diamond specifications and retailer prices

From $254 SGD
As of November 5, 2026
Save $1,267 SGD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,521 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761528295 or 761528295. Listed at 23 retailers as of November 5, 2026, with prices from $254 to $1,521, a $1,267 spread on the same certified stone. Reve Diamonds lists it at $1,521. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761528295
Dimensions6.98 × 6.95 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.95 mm1.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761528295
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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 5
Current: $552 SGD|Low: $241 SGD|High: $1,521 SGD|Avg: $661 SGD|-0.5%
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
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 9$254 SGD
Retailer 4$283 SGD
Retailer 18$293 SGD
Retailer 5$314 SGD
Retailer 6$314 SGD
Retailer 7$546 SGD
Retailer 11$547 SGD
Retailer 1$552 SGD
Retailer 2$556 SGD
Retailer 12$568 SGD
Retailer 3$633 SGD
Retailer 17$690 SGD
Retailer 15$692 SGD
Retailer 13$846 SGD
Retailer 16$857 SGD
Retailer 10$1,010 SGD
Retailer 8$1,079 SGD
Retailer 14$1,466 SGD
Reve Diamonds$1,521 SGD

38 data points across 19 retailers

23 retailers$254 SGD to $1,521 SGD

Retailer 1
-
$251 SGD
Price last confirmed 46 days ago
A
Retailer 2
-
$254 SGD
View
A
Retailer 3
-
$283 SGD
View
Final sale: no returns
A
Retailer 4
-
$293 SGD
View
Retailer 5
-
$308 SGD
View
Price last confirmed 46 days ago
A
Retailer 6
-
$314 SGD
View
Retailer 7
-
$314 SGD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$546 SGD
View
A
Retailer 9
-
$547 SGD
View
A
Retailer 10
-
$552 SGD
View
A
Retailer 11
-
$556 SGD
View
A
Retailer 12
-
$568 SGD
View
B+
Retailer 13
-
$633 SGD
View
B+
Retailer 14
-
$690 SGD
View
B+
Retailer 15
-
$692 SGD
View
B+
Retailer 16
-
$846 SGD
View
B+
Retailer 17
-
$846 SGD
View
B+
Retailer 18
-
$857 SGD
View
Retailer 19
-
$1,002 SGD
View
Price last confirmed 46 days ago
B+
Retailer 20
-
$1,010 SGD
View
B
Retailer 21
-
$1,079 SGD
View
B
Retailer 22
-
$1,466 SGD
View
Most Expensive
B
Reve Diamonds
EAB8DE9AA · Nov 6
$1,521 SGD
$1,187 USD
View
22 more retailers have this diamond
Prices start from $254 SGDSave up to $1,267 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 Round
$254 SGD