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Round|Lab Grown|IGI

1.00ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG492123560

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123560

Diamond specifications and retailer prices

From HK$4,134 HKD
As of November 5, 2026
Save HK$17,197 HKD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$21,332 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123560 or 492123560. Listed at 9 retailers as of November 5, 2026, with prices from HK$4,134 to HK$21,332, a HK$17,197 spread on the same certified stone. MOH London lists it at HK$21,332. 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123560
Dimensions6.32 × 6.36 × 4.03 mm
L/W Ratio1.01
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
6.32 mm6.36 mm1.00 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG492123560
Side View
Table 57.5%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.5%

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$21,332 HKD|Low: HK$3,970 HKD|High: HK$21,650 HKD|Avg: HK$9,179 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4HK$4,134 HKD
Retailer 2HK$4,550 HKD
Retailer 7HK$4,629 HKD
Retailer 5HK$5,123 HKD
Retailer 6HK$7,931 HKD
Retailer 8HK$10,717 HKD
Retailer 3HK$13,227 HKD
MOH LondonHK$21,332 HKD

12 data points across 8 retailers

9 retailersHK$4,134 HKD to HK$21,332 HKD

A
Cheapest Retailer
-
HK$4,134 HKD
A
Retailer 2
-
HK$4,550 HKD
View
A
Retailer 3
-
HK$4,629 HKD
View
A
Retailer 4
-
HK$5,123 HKD
View
Retailer 5
-
HK$5,123 HKD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$7,931 HKD
View
B
Retailer 7
-
HK$13,227 HKD
View
B
Retailer 8
-
HK$13,478 HKD
View
Most Expensive
B
MOH London
LG492123560 · Nov 5
HK$21,332 HKD
£2,141 GBP
View
8 more retailers have this diamond
Prices start from HK$4,134 HKDSave up to HK$17,197 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
1.00ct Round
HK$4,134 HKD