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1.29ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG816613930

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613930

Diamond specifications and retailer prices

From $222 SGD
As of November 5, 2026
Save $1,064 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,286 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816613930 or 816613930. Listed at 16 retailers as of November 5, 2026, with prices from $222 to $1,286, a $1,064 spread on the same certified stone. MOH London lists it at $1,286. 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

1.29
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613930
Dimensions7.00 × 6.95 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm6.95 mm1.29 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613930
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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: $1,286 SGD|Low: $222 SGD|High: $1,304 SGD|Avg: $607 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$222 SGD
Retailer 9$276 SGD
Retailer 2$473 SGD
Retailer 4$487 SGD
Retailer 10$490 SGD
Retailer 5$549 SGD
Retailer 3$611 SGD
Retailer 6$703 SGD
Retailer 8$754 SGD
MOH London$1,286 SGD

45 data points across 10 retailers

16 retailers$222 SGD to $1,286 SGD

A
Cheapest Retailer
-
$222 SGD
A
Retailer 2
-
$258 SGD
View
Retailer 3
-
$276 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$276 SGD
View
A
Retailer 5
-
$473 SGD
View
A
Retailer 6
-
$487 SGD
View
B+
Retailer 7
-
$490 SGD
View
A
Retailer 8
-
$549 SGD
View
B+
Retailer 9
-
$590 SGD
View
A
Retailer 10
-
$611 SGD
View
B+
Retailer 11
-
$703 SGD
View
B+
Retailer 12
-
$754 SGD
View
B+
Retailer 13
-
$856 SGD
View
B
Retailer 14
-
$886 SGD
View
B+
Retailer 15
-
$955 SGD
View
Most Expensive
B
MOH London
LG816613930 · Nov 5
$1,286 SGD
£793 GBP
View
15 more retailers have this diamond
Prices start from $222 SGDSave up to $1,064 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
1.29ct Round
$222 SGD