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1.03ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG839672512

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839672512

Diamond specifications and retailer prices

From HK$1,091 HKD
$139 USD
As of October 29, 2026
Save HK$5,247 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$6,337 HKD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839672512 or 839672512. Listed at 14 retailers as of October 29, 2026, with prices from HK$1,091 to HK$6,337, a HK$5,247 spread on the same certified stone. MOH London lists it at HK$6,337. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839672512
Dimensions6.44 × 6.48 × 4.00 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
6.44 mm6.48 mm1.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839672512
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.9%

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: HK$6,337 HKD|Low: HK$1,091 HKD|High: HK$6,377 HKD|Avg: HK$2,895 HKD|-0.6%
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
Retailer 14
November 1, 2026
Retailer 12HK$1,091 HKD
Retailer 4HK$1,263 HKD
Retailer 11HK$1,350 HKD
Retailer 14HK$1,350 HKD
Retailer 8HK$2,288 HKD
Retailer 9HK$2,406 HKD
Retailer 2HK$2,495 HKD
Retailer 6HK$2,526 HKD
Retailer 7HK$3,009 HKD
Retailer 10HK$3,413 HKD
Retailer 13HK$3,722 HKD
Retailer 5HK$3,868 HKD
Retailer 3HK$4,331 HKD
MOH LondonHK$6,337 HKD

26 data points across 14 retailers

14 retailersHK$1,091 HKD to HK$6,337 HKD

A
Cheapest Retailer
-
HK$1,091 HKD
$139 USD
A
Retailer 2
-
HK$1,263 HKD
$161 USD
View
A
Retailer 3
-
HK$1,350 HKD
$172 USD
View
Retailer 4
-
HK$1,350 HKD
$172 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$2,288 HKD
£230 GBP
View
A
Retailer 6
-
HK$2,406 HKD
€292 EUR
View
A
Retailer 7
-
HK$2,495 HKD
$318 USD
View
B+
Retailer 8
-
HK$2,526 HKD
$322 USD
View
B+
Retailer 9
-
HK$3,009 HKD
£302 GBP
View
B+
Retailer 10
-
HK$3,413 HKD
$435 USD
View
B
Retailer 11
-
HK$3,722 HKD
SGD 641 SGD
View
B+
Retailer 12
-
HK$3,868 HKD
$493 USD
View
B
Retailer 13
-
HK$4,331 HKD
$552 USD
View
Most Expensive
B
MOH London
LG839672512 · Oct 29
HK$6,337 HKD
£636 GBP
View
13 more retailers have this diamond
Prices start from HK$1,091 HKDSave up to HK$5,247 HKD

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
HK$1,091 HKD