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Round|Lab Grown|IGI

1.39ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG425066377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066377

Diamond specifications and retailer prices

From $894 SGD
$699 USD
As of November 1, 2026
Save $3,181 SGD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,075 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425066377 or 425066377. Listed at 10 retailers as of November 1, 2026, with prices from $894 to $4,075, a $3,181 spread on the same certified stone. MOH London lists it at $4,075. 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

1.39
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066377
Dimensions7.24 × 7.17 × 4.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.24 mm7.17 mm1.39 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066377
Side View
Table 55.0%Crown 33°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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 1
Current: $4,075 SGD|Low: $859 SGD|High: $4,124 SGD|Avg: $1,705 SGD
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
November 1, 2026
Retailer 7$894 SGD
Retailer 10$973 SGD
Retailer 12$1,001 SGD
Retailer 2$1,036 SGD
Retailer 8$1,037 SGD
Retailer 13$1,037 SGD
Retailer 4$1,053 SGD
Retailer 3$1,660 SGD
Retailer 9$1,687 SGD
Retailer 5$2,323 SGD
Retailer 6$2,557 SGD
Retailer 11$2,917 SGD
MOH London$4,075 SGD

16 data points across 13 retailers

10 retailers$894 SGD to $4,075 SGD

A
Cheapest Retailer
-
$894 SGD
$699 USD
A
Retailer 2
-
$973 SGD
$761 USD
View
A
Retailer 3
-
$1,001 SGD
$783 USD
View
Final sale: no returns
A
Retailer 4
-
$1,036 SGD
$810 USD
View
A
Retailer 5
-
$1,037 SGD
$811 USD
View
Retailer 6
-
$1,037 SGD
$811 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$1,687 SGD
$1,319 USD
View
B
Retailer 8
-
$2,557 SGD
$1,999 USD
View
B
Retailer 9
-
$2,917 SGD
$2,281 USD
View
Most Expensive
B
MOH London
LG425066377 · Nov 1
$4,075 SGD
£2,509 GBP
View
9 more retailers have this diamond
Prices start from $894 SGDSave up to $3,181 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
1.39ct Round
$894 SGD