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1.51ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG770653207

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770653207

Diamond specifications and retailer prices

From HK$1,546 HKD
$197 USD
As of November 1, 2026
Save HK$7,402 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,948 HKD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770653207 or 770653207. Listed at 14 retailers as of November 1, 2026, with prices from HK$1,546 to HK$8,948, a HK$7,402 spread on the same certified stone. MOH London lists it at HK$8,948. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770653207
Dimensions7.48 × 7.47 × 4.38 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 mm7.47 mm1.51 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770653207
Side View
Table 63.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.6%

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 1
Current: HK$8,948 HKD|Low: HK$1,483 HKD|High: HK$9,058 HKD|Avg: HK$4,562 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 10HK$1,546 HKD
Retailer 3HK$1,726 HKD
Retailer 15HK$1,789 HKD
Retailer 4HK$1,914 HKD
Retailer 12HK$1,914 HKD
Retailer 13HK$3,327 HKD
Retailer 2HK$3,518 HKD
Retailer 5HK$4,496 HKD
Retailer 14HK$4,519 HKD
Retailer 11HK$6,120 HKD
Retailer 16HK$6,151 HKD
Retailer 9HK$6,175 HKD
Retailer 6HK$6,247 HKD
Retailer 8HK$6,997 HKD
Retailer 7HK$8,219 HKD
MOH LondonHK$8,948 HKD

18 data points across 16 retailers

14 retailersHK$1,546 HKD to HK$8,948 HKD

A
Cheapest Retailer
-
HK$1,546 HKD
$197 USD
A
Retailer 2
-
HK$1,726 HKD
$220 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,789 HKD
$228 USD
View
Retailer 4
-
HK$1,914 HKD
$244 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$1,914 HKD
$244 USD
View
B+
Retailer 6
-
HK$3,327 HKD
$424 USD
View
A
Retailer 7
-
HK$3,518 HKD
€427 EUR
View
A
Retailer 8
-
HK$4,496 HKD
$573 USD
View
A
Retailer 9
-
HK$4,519 HKD
$576 USD
View
A
Retailer 10
-
HK$6,120 HKD
$780 USD
View
A
Retailer 11
-
HK$6,151 HKD
$784 USD
View
A
Retailer 12
-
HK$6,175 HKD
$787 USD
View
A
Retailer 13
-
HK$6,247 HKD
SGD 1,076 SGD
View
Most Expensive
A
MOH London
LG770653207 · Nov 1
HK$8,948 HKD
£898 GBP
View
13 more retailers have this diamond
Prices start from HK$1,546 HKDSave up to HK$7,402 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$1,546 HKD