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Round|Lab Grown|IGI

1.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG818639581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818639581

Diamond specifications and retailer prices

From $224 SGD
$175 USD
As of October 30, 2026
Save $947 SGD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,171 SGD at MOH London · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818639581 or 818639581. Listed at 13 retailers as of October 29, 2026, with prices from $224 to $1,171, a $947 spread on the same certified stone. MOH London lists it at $1,171. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818639581
Dimensions6.48 × 6.46 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.46 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818639581
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.6%

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 30
Current: $1,171 SGD|Low: $224 SGD|High: $1,179 SGD|Avg: $632 SGD|+3.4%
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
November 1, 2026
Retailer 11$224 SGD
Retailer 4$381 SGD
Retailer 9$428 SGD
Retailer 2$430 SGD
Retailer 6$436 SGD
Retailer 8$454 SGD
Retailer 3$518 SGD
Retailer 10$607 SGD
Retailer 7$651 SGD
Retailer 13$681 SGD
Retailer 5$800 SGD
Retailer 12$871 SGD
MOH London$1,171 SGD

42 data points across 13 retailers

13 retailers$224 SGD to $1,171 SGD

A
Cheapest Retailer
-
$224 SGD
$175 USD
Final sale: no returns
A
Retailer 2
-
$381 SGD
$298 USD
View
B+
Retailer 3
-
$428 SGD
ZAR 5,403 ZAR
View
A
Retailer 4
-
$430 SGD
£265 GBP
View
A
Retailer 5
-
$436 SGD
£268 GBP
View
B+
Retailer 6
-
$454 SGD
$355 USD
View
B+
Retailer 7
-
$518 SGD
$405 USD
View
B+
Retailer 8
-
$607 SGD
A$730 AUD
View
B+
Retailer 9
-
$651 SGD
$509 USD
View
B+
Retailer 10
-
$681 SGD
View
B
Retailer 11
-
$814 SGD
$637 USD
View
B
Retailer 12
-
$871 SGD
$681 USD
View
Most Expensive
B
MOH London
LG818639581 · Oct 29
$1,171 SGD
£721 GBP
View
12 more retailers have this diamond
Prices start from $224 SGDSave up to $947 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
$224 SGD