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1.03ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG766683154

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766683154

Diamond specifications and retailer prices

From HK$1,138 HKD
$145 USD
As of November 1, 2026
Save HK$5,439 HKD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$6,577 HKD at MOH London · As of November 2, 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 LG766683154 or 766683154. Listed at 10 retailers as of November 1, 2026, with prices from HK$1,138 to HK$6,577, a HK$5,439 spread on the same certified stone. MOH London lists it at HK$6,577. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766683154
Dimensions6.43 × 6.49 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.43 mm6.49 mm1.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766683154
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$6,577 HKD|Low: HK$1,138 HKD|High: HK$6,806 HKD|Avg: HK$2,952 HKD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5HK$1,138 HKD
Retailer 9HK$1,318 HKD
Retailer 7HK$1,404 HKD
Retailer 10HK$1,404 HKD
Retailer 2HK$2,419 HKD
Retailer 8HK$2,440 HKD
Retailer 4HK$2,613 HKD
Retailer 6HK$4,527 HKD
Retailer 3HK$4,778 HKD
MOH LondonHK$6,577 HKD

42 data points across 10 retailers

10 retailersHK$1,138 HKD to HK$6,577 HKD

A
Cheapest Retailer
-
HK$1,138 HKD
$145 USD
A
Retailer 2
-
HK$1,318 HKD
$168 USD
View
Retailer 3
-
HK$1,404 HKD
$179 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
HK$1,404 HKD
$179 USD
View
A
Retailer 5
-
HK$2,419 HKD
£243 GBP
View
B+
Retailer 6
-
HK$2,440 HKD
$311 USD
View
B+
Retailer 7
-
HK$2,613 HKD
$333 USD
View
B
Retailer 8
-
HK$4,527 HKD
$577 USD
View
B
Retailer 9
-
HK$4,778 HKD
$609 USD
View
Most Expensive
B
MOH London
LG766683154 · Nov 2
HK$6,577 HKD
£660 GBP
View
9 more retailers have this diamond
Prices start from HK$1,138 HKDSave up to HK$5,439 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$1,138 HKD