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Round|Lab Grown|IGI

1.03ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG766683154

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766683154

Diamond specifications and retailer prices

From $185 SGD
$145 USD
As of November 1, 2026
Save $886 SGD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,072 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766683154 or 766683154. Listed at 10 retailers as of November 1, 2026, with prices from $185 to $1,072, a $886 spread on the same certified stone. MOH London lists it at $1,072. 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

1.03
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766683154
Dimensions6.43 × 6.49 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.43 mm6.49 mm1.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766683154
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,072 SGD|Low: $185 SGD|High: $1,109 SGD|Avg: $481 SGD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$185 SGD
Retailer 9$215 SGD
Retailer 7$229 SGD
Retailer 10$229 SGD
Retailer 2$394 SGD
Retailer 8$398 SGD
Retailer 4$426 SGD
Retailer 6$738 SGD
Retailer 3$779 SGD
MOH London$1,072 SGD

42 data points across 10 retailers

10 retailers$185 SGD to $1,072 SGD

A
Cheapest Retailer
-
$185 SGD
$145 USD
A
Retailer 2
-
$215 SGD
$168 USD
View
Retailer 3
-
$229 SGD
$179 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$229 SGD
$179 USD
View
A
Retailer 5
-
$394 SGD
£243 GBP
View
B+
Retailer 6
-
$398 SGD
$311 USD
View
B+
Retailer 7
-
$426 SGD
$333 USD
View
B
Retailer 8
-
$738 SGD
$577 USD
View
B
Retailer 9
-
$779 SGD
$609 USD
View
Most Expensive
B
MOH London
LG766683154 · Nov 1
$1,072 SGD
£660 GBP
View
9 more retailers have this diamond
Prices start from $185 SGDSave up to $886 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
1.03ct Round
$185 SGD