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Round|Lab Grown|IGI

1.67ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG515226753

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515226753

Diamond specifications and retailer prices

From $786 SGD
$615 USD
As of November 1, 2026
Save $1,357 SGD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,143 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515226753 or 515226753. Listed at 10 retailers as of October 29, 2026, with prices from $786 to $2,143, a $1,357 spread on the same certified stone. MOH London lists it at $2,143. 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

1.67
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515226753
Dimensions7.66 × 7.64 × 4.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.66 mm7.64 mm1.67 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515226753
Side View
Table 59.0%Crown 35°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,143 SGD|Low: $377 SGD|High: $2,143 SGD|Avg: $1,119 SGD|+28.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$377 SGD
Retailer 4$786 SGD
Retailer 2$951 SGD
Retailer 5$1,098 SGD
Retailer 3$1,480 SGD
Retailer 7$1,725 SGD
MOH London$2,143 SGD

33 data points across 7 retailers

10 retailers$786 SGD to $2,143 SGD

Retailer 1
-
$304 SGD
$238 USD
Price last confirmed 40 days ago
Retailer 2
-
$353 SGD
$276 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$372 SGD
$291 USD
View
Price last confirmed 40 days ago
B+
Retailer 4
-
$786 SGD
$615 USD
View
B+
Retailer 5
-
$951 SGD
£586 GBP
View
B+
Retailer 6
-
$1,098 SGD
$859 USD
View
Retailer 7
-
$1,337 SGD
$1,046 USD
View
Price last confirmed 41 days ago
B
Retailer 8
-
$1,480 SGD
$1,158 USD
View
B
Retailer 9
-
$1,725 SGD
$1,349 USD
View
Most Expensive
C
MOH London
LG515226753 · Oct 29
$2,143 SGD
£1,320 GBP
View
9 more retailers have this diamond
Prices start from $786 SGDSave up to $1,357 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.

B+
1.67ct Round
$786 SGD