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Round|Lab Grown|IGI

1.40ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG451056203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056203

Diamond specifications and retailer prices

From HK$5,523 HKD
As of November 5, 2026
Save HK$19,645 HKD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$25,168 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.4ct lab-grown round diamond

This 1.4ct 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 LG451056203 or 451056203. Listed at 10 retailers as of November 1, 2026, with prices from HK$5,523 to HK$25,168, a HK$19,645 spread on the same certified stone. MOH London lists it at HK$25,168. 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

1.40
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056203
Dimensions7.23 × 7.19 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.23 mm7.19 mm1.40 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056203
Side View
Table 55.0%Crown 35.2°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.7%

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$25,168 HKD|Low: HK$5,303 HKD|High: HK$25,476 HKD|Avg: HK$10,980 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6HK$5,523 HKD
Retailer 9HK$6,009 HKD
Retailer 11HK$6,182 HKD
Retailer 2HK$6,198 HKD
Retailer 7HK$6,410 HKD
Retailer 12HK$6,410 HKD
Retailer 3HK$10,238 HKD
Retailer 8HK$10,403 HKD
Retailer 4HK$14,341 HKD
Retailer 5HK$15,785 HKD
Retailer 10HK$18,020 HKD
MOH LondonHK$25,168 HKD

17 data points across 12 retailers

10 retailersHK$5,523 HKD to HK$25,168 HKD

A
Cheapest Retailer
-
HK$5,523 HKD
A
Retailer 2
-
HK$6,009 HKD
View
A
Retailer 3
-
HK$6,182 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$6,198 HKD
View
A
Retailer 5
-
HK$6,410 HKD
View
Retailer 6
-
HK$6,410 HKD
View
Price last confirmed 25 days ago
B
Retailer 7
-
HK$10,403 HKD
View
B
Retailer 8
-
HK$15,785 HKD
View
B
Retailer 9
-
HK$18,020 HKD
View
Most Expensive
B
MOH London
LG451056203 · Nov 1
HK$25,168 HKD
£2,526 GBP
View
9 more retailers have this diamond
Prices start from HK$5,523 HKDSave up to HK$19,645 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
1.40ct Round
HK$5,523 HKD