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2.57ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG517284965

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517284965

Diamond specifications and retailer prices

From HK$4,645 HKD
$592 USD
As of October 29, 2026
Save HK$20,485 HKD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$25,129 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 2.57ct lab-grown round diamond

This 2.57ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG517284965 or 517284965. Listed at 14 retailers as of October 29, 2026, with prices from HK$4,645 to HK$25,129, a HK$20,485 spread on the same certified stone. MOH London lists it at HK$25,129. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517284965
Dimensions8.74 × 8.69 × 5.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.74 mm8.69 mm2.57 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517284965
Side View
Table 58.5%Crown 35.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.8%

Caratlytics Score

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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: Oct 29
Current: HK$25,129 HKD|Low: HK$4,456 HKD|High: HK$25,299 HKD|Avg: HK$11,275 HKD|+0.6%
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
October 29, 2026
Retailer 9HK$4,645 HKD
Retailer 13HK$5,194 HKD
Retailer 10HK$5,759 HKD
Retailer 14HK$5,759 HKD
Retailer 7HK$6,787 HKD
Retailer 12HK$7,744 HKD
Retailer 11HK$8,834 HKD
Retailer 3HK$9,399 HKD
Retailer 2HK$13,892 HKD
Retailer 6HK$13,904 HKD
Retailer 8HK$14,287 HKD
Retailer 4HK$18,628 HKD
Retailer 5HK$19,280 HKD
MOH LondonHK$25,129 HKD

27 data points across 14 retailers

14 retailersHK$4,645 HKD to HK$25,129 HKD

A
Cheapest Retailer
-
HK$4,645 HKD
$592 USD
A
Retailer 2
-
HK$5,194 HKD
$662 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,202 HKD
$663 USD
View
A
Retailer 4
-
HK$5,759 HKD
$734 USD
View
Retailer 5
-
HK$5,759 HKD
$734 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$6,787 HKD
$865 USD
View
A
Retailer 7
-
HK$7,744 HKD
$987 USD
View
A
Retailer 8
-
HK$8,834 HKD
$1,126 USD
View
A
Retailer 9
-
HK$9,399 HKD
$1,198 USD
View
A
Retailer 10
-
HK$13,892 HKD
ZAR 28,606 ZAR
View
A
Retailer 11
-
HK$14,287 HKD
$1,821 USD
View
A
Retailer 12
-
HK$15,142 HKD
$1,930 USD
View
A
Retailer 13
-
HK$18,628 HKD
$2,374 USD
View
Most Expensive
A
MOH London
LG517284965 · Oct 29
HK$25,129 HKD
£2,522 GBP
View
13 more retailers have this diamond
Prices start from HK$4,645 HKDSave up to HK$20,485 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
2.57ct Round
HK$4,645 HKD