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Round|Lab Grown|IGI

1.51ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794609666

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609666

Diamond specifications and retailer prices

From HK$4,060 HKD
As of November 6, 2026
10 retailers carry this diamond
Most expensive: HK$9,048 HKD at MOH London · As of October 4, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794609666 or 794609666. Listed at 10 retailers as of November 6, 2026. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609666
Dimensions7.48 × 7.45 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.45 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609666
Side View
Table 59.0%Crown 32.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$9,048 HKD|Low: HK$1,466 HKD|High: HK$9,048 HKD|Avg: HK$4,128 HKD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 18HK$1,481 HKD
Retailer 3HK$1,724 HKD
Retailer 13HK$1,787 HKD
Retailer 6HK$1,912 HKD
Retailer 16HK$1,912 HKD
Retailer 17HK$3,323 HKD
Retailer 10HK$3,331 HKD
Retailer 12HK$3,354 HKD
Retailer 11HK$3,550 HKD
Retailer 2HK$4,060 HKD
Retailer 14HK$4,507 HKD
Retailer 8HK$4,514 HKD
Retailer 4HK$6,074 HKD
Retailer 7HK$6,145 HKD
Retailer 5HK$6,239 HKD
Retailer 9HK$6,560 HKD
Retailer 15HK$6,897 HKD
MOH LondonHK$9,048 HKD

22 data points across 18 retailers

10 retailers

Retailer 1
-
HK$1,481 HKD
Price last confirmed 30 days ago
Retailer 2
-
HK$1,787 HKD
View
Price last confirmed 32 days ago
Retailer 3
-
HK$1,912 HKD
View
Price last confirmed 34 days ago
Retailer 4
-
HK$1,912 HKD
View
Price last confirmed 30 days ago
A
Retailer 5
-
HK$4,060 HKD
View
Retailer 6
-
HK$6,074 HKD
View
Price last confirmed 31 days ago
Retailer 7
-
HK$6,145 HKD
View
Price last confirmed 31 days ago
Retailer 8
-
HK$6,239 HKD
View
Price last confirmed 30 days ago
Retailer 9
-
HK$6,897 HKD
View
Price last confirmed 30 days ago
Most Expensive
MOH London
LG794609666 · Oct 4
HK$9,048 HKD
£909 GBP
View
Price last confirmed 33 days ago
9 more retailers have this diamond
Prices start from HK$4,060 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$4,060 HKD