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1.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG844682459

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844682459

Diamond specifications and retailer prices

From HK$2,024 HKD
$258 USD
As of October 27, 2026
Save HK$6,136 HKD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,161 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844682459 or 844682459. Listed at 9 retailers as of October 27, 2026, with prices from HK$2,024 to HK$8,161, a HK$6,136 spread on the same certified stone. MOH London lists it at HK$8,161. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844682459
Dimensions7.30 × 7.27 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm7.27 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844682459
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

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 27
Current: HK$8,161 HKD|Low: HK$2,024 HKD|High: HK$8,161 HKD|Avg: HK$4,350 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5HK$2,024 HKD
Retailer 8HK$2,605 HKD
Retailer 6HK$3,601 HKD
Retailer 3HK$3,627 HKD
Retailer 2HK$3,713 HKD
Retailer 4HK$6,528 HKD
Retailer 7HK$6,566 HKD
MOH LondonHK$8,161 HKD

7 data points across 8 retailers

9 retailersHK$2,024 HKD to HK$8,161 HKD

A
Cheapest Retailer
-
HK$2,024 HKD
$258 USD
Retailer 2
-
HK$2,024 HKD
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$2,605 HKD
$332 USD
View
A
Retailer 4
-
HK$3,601 HKD
$459 USD
View
A
Retailer 5
-
HK$3,627 HKD
£364 GBP
View
A
Retailer 6
-
HK$3,713 HKD
£373 GBP
View
B
Retailer 7
-
HK$6,528 HKD
$832 USD
View
B
Retailer 8
-
HK$6,566 HKD
SGD 1,131 SGD
View
Most Expensive
B
MOH London
LG844682459 · Oct 29
HK$8,161 HKD
£819 GBP
View
8 more retailers have this diamond
Prices start from HK$2,024 HKDSave up to HK$6,136 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$2,024 HKD