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1.51ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG512205224

Shape and cutting style on the report: Round brilliant

Certificate IGI LG512205224

Diamond specifications and retailer prices

From HK$6,747 HKD
$860 USD
As of October 31, 2026
Save HK$32,262 HKD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$39,009 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512205224 or 512205224. Listed at 9 retailers as of October 29, 2026, with prices from HK$6,747 to HK$39,009, a HK$32,262 spread on the same certified stone. MOH London lists it at HK$39,009. 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

1.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205224
Dimensions7.44 × 7.47 × 4.42 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
7.44 mm7.47 mm1.51 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205224
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.2%

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 31
Current: HK$39,009 HKD|Low: HK$6,747 HKD|High: HK$39,268 HKD|Avg: HK$18,694 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2HK$6,747 HKD
Retailer 3HK$10,411 HKD
Retailer 6HK$11,329 HKD
Retailer 4HK$12,075 HKD
Retailer 9HK$16,602 HKD
Retailer 5HK$19,104 HKD
Retailer 8HK$22,509 HKD
Retailer 7HK$22,635 HKD
Retailer 10HK$27,034 HKD
MOH LondonHK$39,009 HKD

13 data points across 10 retailers

9 retailersHK$6,747 HKD to HK$39,009 HKD

A
Cheapest Retailer
-
HK$6,747 HKD
$860 USD
B+
Retailer 2
-
HK$10,411 HKD
$1,327 USD
View
B+
Retailer 3
-
HK$11,329 HKD
$1,444 USD
View
B+
Retailer 4
-
HK$12,075 HKD
$1,539 USD
View
Retailer 5
-
HK$12,075 HKD
$1,539 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
HK$19,104 HKD
$2,435 USD
View
B
Retailer 7
-
HK$22,509 HKD
$2,869 USD
View
B
Retailer 8
-
HK$22,635 HKD
$2,885 USD
View
Most Expensive
B
MOH London
LG512205224 · Oct 29
HK$39,009 HKD
£3,915 GBP
View
8 more retailers have this diamond
Prices start from HK$6,747 HKDSave up to HK$32,262 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
1.51ct Round
HK$6,747 HKD