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Round|Lab Grown|IGI

1.09ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG442069274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442069274

Diamond specifications and retailer prices

From $792 SGD
As of November 5, 2026
Save $3,800 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,592 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442069274 or 442069274. Listed at 12 retailers as of November 5, 2026, with prices from $792 to $4,592, a $3,800 spread on the same certified stone. MOH London lists it at $4,592. 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

1.09
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442069274
Dimensions6.53 × 6.54 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.53 mm6.54 mm1.09 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442069274
Side View
Table 58.0%Crown 36°GirdlePavilion 41.1°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
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: $4,592 SGD|Low: $792 SGD|High: $4,667 SGD|Avg: $2,154 SGD|-1.3%
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
Retailer 14
November 6, 2026
Retailer 8$792 SGD
Retailer 10$1,170 SGD
Retailer 14$1,273 SGD
Retailer 4$1,311 SGD
Retailer 11$1,358 SGD
Retailer 13$1,358 SGD
Retailer 2$1,607 SGD
Retailer 5$1,986 SGD
Retailer 12$2,177 SGD
Retailer 7$2,317 SGD
Retailer 9$3,021 SGD
Retailer 6$3,039 SGD
Retailer 3$3,818 SGD
MOH London$4,592 SGD

34 data points across 14 retailers

12 retailers$792 SGD to $4,592 SGD

A
Cheapest Retailer
-
$792 SGD
B+
Retailer 2
-
$1,170 SGD
View
B+
Retailer 3
-
$1,273 SGD
View
B+
Retailer 4
-
$1,311 SGD
View
Final sale: no returns
Retailer 5
-
$1,358 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,358 SGD
View
B+
Retailer 7
-
$1,607 SGD
View
B
Retailer 8
-
$2,177 SGD
View
B
Retailer 9
-
$2,317 SGD
View
B
Retailer 10
-
$3,021 SGD
View
C
Retailer 11
-
$3,818 SGD
View
Most Expensive
B
MOH London
LG442069274 · Nov 5
$4,592 SGD
£2,831 GBP
View
11 more retailers have this diamond
Prices start from $792 SGDSave up to $3,800 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
1.09ct Round
$792 SGD