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Cushion|Lab Grown|IGI

2.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG516248469

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG516248469

Diamond specifications and retailer prices

From HK$4,370 HKD
$557 USD
As of October 28, 2026
Save HK$9,964 HKD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$14,334 HKD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG516248469 or 516248469. Listed at 3 retailers as of October 28, 2026, with prices from HK$4,370 to HK$14,334, a HK$9,964 spread on the same certified stone. The Diamond Guys lists it at HK$14,334. 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

2.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516248469
Dimensions7.57 × 7.48 × 5.32 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
7.57 mm7.48 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516248469
Side View
Table 68.0%Crown 32.2°Girdle: MED-VTKPavilion 39.2°Culet: NoneDepth 71.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$4,370 HKD|Low: HK$2,362 HKD|High: HK$18,908 HKD|Avg: HK$10,356 HKD|-20.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 13, 2026
Retailer 1HK$4,370 HKD
Retailer 3HK$4,935 HKD
Retailer 6HK$5,374 HKD
Retailer 4HK$6,881 HKD
Retailer 2HK$10,835 HKD
Retailer 5HK$12,882 HKD
The Diamond GuysHK$14,334 HKD

32 data points across 7 retailers

3 retailersHK$4,370 HKD to HK$14,334 HKD

B+
Cheapest Retailer
-
HK$4,370 HKD
$557 USD
B+
Retailer 2
-
HK$10,835 HKD
CA$1,918 CAD
View
Most Expensive
B+
The Diamond Guys
1779253076 · Nov 1
HK$14,334 HKD
$1,827 USD
View
2 more retailers have this diamond
Prices start from HK$4,370 HKDSave up to HK$9,964 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.

B+
2.51ct Cushion
HK$4,370 HKD