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Round|Lab Grown|IGI

1.05ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG818687062

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687062

Diamond specifications and retailer prices

From $178 SGD
$139 USD
As of October 29, 2026
Save $858 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,036 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818687062 or 818687062. Listed at 11 retailers as of October 29, 2026, with prices from $178 to $1,036, a $858 spread on the same certified stone. MOH London lists it at $1,036. 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

1.05
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687062
Dimensions6.49 × 6.53 × 4.04 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
6.49 mm6.53 mm1.05 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687062
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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: Oct 29
Current: $1,036 SGD|Low: $178 SGD|High: $1,067 SGD|Avg: $562 SGD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$178 SGD
Retailer 10$220 SGD
Retailer 2$332 SGD
Retailer 3$374 SGD
Retailer 5$393 SGD
Retailer 7$412 SGD
Retailer 8$552 SGD
Retailer 9$708 SGD
Retailer 6$959 SGD
MOH London$1,036 SGD

27 data points across 10 retailers

11 retailers$178 SGD to $1,036 SGD

A
Cheapest Retailer
-
$178 SGD
$139 USD
A
Retailer 2
-
$220 SGD
$172 USD
View
A
Retailer 3
-
$225 SGD
$176 USD
View
A
Retailer 4
-
$332 SGD
£205 GBP
View
A
Retailer 5
-
$374 SGD
£231 GBP
View
A
Retailer 6
-
$393 SGD
€293 EUR
View
A
Retailer 7
-
$412 SGD
$322 USD
View
B+
Retailer 8
-
$552 SGD
$432 USD
View
B
Retailer 9
-
$708 SGD
$554 USD
View
B
Retailer 10
-
$959 SGD
$750 USD
View
Most Expensive
B
MOH London
LG818687062 · Oct 29
$1,036 SGD
£638 GBP
View
10 more retailers have this diamond
Prices start from $178 SGDSave up to $858 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
1.05ct Round
$178 SGD