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1.30ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG451057283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057283

Diamond specifications and retailer prices

From HK$5,146 HKD
As of November 5, 2026
Save HK$19,931 HKD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$25,078 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057283 or 451057283. Listed at 10 retailers as of November 5, 2026, with prices from HK$5,146 to HK$25,078, a HK$19,931 spread on the same certified stone. MOH London lists it at HK$25,078. 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

1.30
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057283
Dimensions6.91 × 6.95 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.91 mm6.95 mm1.30 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057283
Side View
Table 55.5%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

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 5
Current: HK$25,078 HKD|Low: HK$4,942 HKD|High: HK$25,456 HKD|Avg: HK$10,828 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5HK$5,146 HKD
Retailer 8HK$5,601 HKD
Retailer 10HK$5,758 HKD
Retailer 2HK$5,805 HKD
Retailer 6HK$5,970 HKD
Retailer 11HK$9,657 HKD
Retailer 7HK$9,744 HKD
Retailer 3HK$13,360 HKD
Retailer 4HK$15,251 HKD
Retailer 9HK$16,789 HKD
MOH LondonHK$25,078 HKD

15 data points across 11 retailers

10 retailersHK$5,146 HKD to HK$25,078 HKD

A
Cheapest Retailer
-
HK$5,146 HKD
A
Retailer 2
-
HK$5,601 HKD
View
A
Retailer 3
-
HK$5,758 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$5,805 HKD
View
Retailer 5
-
HK$5,970 HKD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$5,970 HKD
View
B+
Retailer 7
-
HK$9,744 HKD
View
B
Retailer 8
-
HK$15,251 HKD
View
B
Retailer 9
-
HK$16,789 HKD
View
Most Expensive
B
MOH London
LG451057283 · Nov 5
HK$25,078 HKD
£2,517 GBP
View
9 more retailers have this diamond
Prices start from HK$5,146 HKDSave up to HK$19,931 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
1.30ct Round
HK$5,146 HKD