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0.91ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG478121789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478121789

Diamond specifications and retailer prices

From HK$4,237 HKD
$540 USD
As of October 30, 2026
Save HK$21,451 HKD (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$25,687 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478121789 or 478121789. Listed at 5 retailers as of October 29, 2026, with prices from HK$4,237 to HK$25,687, a HK$21,451 spread on the same certified stone. MOH London lists it at HK$25,687. 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

0.91
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478121789
Dimensions6.29 × 6.28 × 3.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.29 mm6.28 mm0.91 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478121789
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: Oct 30
Current: HK$25,687 HKD|Low: HK$4,237 HKD|High: HK$25,887 HKD|Avg: HK$12,027 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3HK$4,237 HKD
Retailer 4HK$6,504 HKD
Retailer 7HK$6,690 HKD
Retailer 6HK$10,207 HKD
Retailer 5HK$10,560 HKD
Retailer 2HK$11,237 HKD
MOH LondonHK$25,687 HKD

21 data points across 7 retailers

5 retailersHK$4,237 HKD to HK$25,687 HKD

A
Cheapest Retailer
-
HK$4,237 HKD
$540 USD
Retailer 2
-
HK$6,504 HKD
$829 USD
View
Price last confirmed 19 days ago
B+
Retailer 3
-
HK$10,560 HKD
$1,346 USD
View
B+
Retailer 4
-
HK$11,237 HKD
€1,364 EUR
View
Most Expensive
B
MOH London
LG478121789 · Oct 29
HK$25,687 HKD
£2,578 GBP
View
4 more retailers have this diamond
Prices start from HK$4,237 HKDSave up to HK$21,451 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
0.91ct Round
HK$4,237 HKD