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1.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG816614263

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816614263

Diamond specifications and retailer prices

From HK$1,575 HKD
As of November 5, 2026
Save HK$7,572 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,147 HKD at MOH London · As of November 2, 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 LG816614263 or 816614263. Listed at 15 retailers as of November 2, 2026, with prices from HK$1,575 to HK$9,147, a HK$7,572 spread on the same certified stone. MOH London lists it at HK$9,147. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816614263
Dimensions7.41 × 7.35 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.35 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816614263
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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 5
Current: HK$9,147 HKD|Low: HK$1,575 HKD|High: HK$9,257 HKD|Avg: HK$4,960 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$1,575 HKD
Retailer 8HK$1,959 HKD
Retailer 9HK$3,394 HKD
Retailer 4HK$3,543 HKD
Retailer 3HK$3,558 HKD
Retailer 6HK$5,643 HKD
Retailer 5HK$6,309 HKD
Retailer 2HK$7,916 HKD
MOH LondonHK$9,147 HKD

43 data points across 9 retailers

15 retailersHK$1,575 HKD to HK$9,147 HKD

A
Cheapest Retailer
-
HK$1,575 HKD
A
Retailer 2
-
HK$1,826 HKD
View
A
Retailer 3
-
HK$1,959 HKD
View
Retailer 4
-
HK$1,959 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$3,347 HKD
View
B+
Retailer 6
-
HK$3,394 HKD
View
A
Retailer 7
-
HK$3,543 HKD
View
A
Retailer 8
-
HK$3,558 HKD
View
B+
Retailer 9
-
HK$5,643 HKD
View
B+
Retailer 10
-
HK$6,286 HKD
View
B
Retailer 11
-
HK$6,309 HKD
View
B
Retailer 12
-
HK$6,701 HKD
View
B
Retailer 13
-
HK$7,289 HKD
View
B
Retailer 14
-
HK$7,916 HKD
View
Most Expensive
B
MOH London
LG816614263 · Nov 2
HK$9,147 HKD
£919 GBP
View
14 more retailers have this diamond
Prices start from HK$1,575 HKDSave up to HK$7,572 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$1,575 HKD