Round|Lab Grown|IGI

1.51ct J SI1 Round Lab Grown Diamond

VG • J/SI1 • IGI LG442067251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442067251

Diamond specifications and retailer prices

From HK$6,669 HKD
$850 USD
As of November 2, 2026
Save HK$27,509 HKD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,178 HKD at MOH London · As of November 3, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG442067251 or 442067251. Listed at 11 retailers as of November 2, 2026, with prices from HK$6,669 to HK$34,178, a HK$27,509 spread on the same certified stone. MOH London lists it at HK$34,178. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067251
Dimensions7.26 × 7.22 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.26 mm7.22 mm1.51 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067251
Side View
Table 56.5%Crown 36°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.0%

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 2
Current: HK$34,178 HKD|Low: HK$6,669 HKD|High: HK$34,627 HKD|Avg: HK$15,406 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2HK$6,669 HKD
Retailer 3HK$9,172 HKD
Retailer 6HK$10,271 HKD
Retailer 4HK$10,639 HKD
Retailer 10HK$11,582 HKD
Retailer 7HK$12,005 HKD
Retailer 9HK$15,112 HKD
Retailer 5HK$16,893 HKD
Retailer 8HK$20,957 HKD
MOH LondonHK$34,178 HKD

15 data points across 10 retailers

11 retailersHK$6,669 HKD to HK$34,178 HKD

A
Cheapest Retailer
-
HK$6,669 HKD
$850 USD
B+
Retailer 2
-
HK$9,172 HKD
$1,169 USD
View
B+
Retailer 3
-
HK$9,972 HKD
$1,271 USD
View
B+
Retailer 4
-
HK$10,271 HKD
$1,309 USD
View
Final sale: no returns
Retailer 5
-
HK$10,639 HKD
$1,356 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$10,639 HKD
$1,356 USD
View
B
Retailer 7
-
HK$12,005 HKD
$1,530 USD
View
B
Retailer 8
-
HK$16,893 HKD
$2,153 USD
View
B
Retailer 9
-
HK$19,937 HKD
$2,541 USD
View
B
Retailer 10
-
HK$20,957 HKD
$2,671 USD
View
Most Expensive
B
MOH London
LG442067251 · Nov 3
HK$34,178 HKD
£3,430 GBP
View
10 more retailers have this diamond
Prices start from HK$6,669 HKDSave up to HK$27,509 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$6,669 HKD