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Cushion|Lab Grown|IGI

2.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG522231518

Shape and cutting style on the report: Cushion rose cut

Certificate IGI LG522231518

Diamond specifications and retailer prices

From HK$22,753 HKD
$2,900 USD
As of October 31, 2026
Save HK$79,688 HKD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$102,441 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG522231518 or 522231518. Listed at 10 retailers as of October 31, 2026, with prices from HK$22,753 to HK$102,441, a HK$79,688 spread on the same certified stone. Reve Diamonds lists it at HK$102,441. 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
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522231518
Dimensions9.04 × 7.34 × 5.06 mm
L/W Ratio1.23
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
9.04 mm7.34 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG522231518
Side View
Table 63.0%Crown 32.4°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: HK$81,097 HKD|Low: HK$22,753 HKD|High: HK$140,164 HKD|Avg: HK$63,844 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 1, 2026
Retailer 5HK$22,753 HKD
Retailer 10HK$35,729 HKD
Retailer 8HK$37,808 HKD
Retailer 7HK$39,166 HKD
Retailer 11HK$39,503 HKD
Retailer 2HK$43,481 HKD
Retailer 9HK$55,121 HKD
Retailer 6HK$60,616 HKD
Retailer 1HK$81,097 HKD
Retailer 4HK$101,037 HKD
Reve DiamondsHK$102,441 HKD
Retailer 3HK$140,164 HKD

19 data points across 12 retailers

10 retailersHK$22,753 HKD to HK$102,441 HKD

B+
Cheapest Retailer
-
HK$22,753 HKD
$2,900 USD
B
Retailer 2
-
HK$35,729 HKD
$4,554 USD
View
B
Retailer 3
-
HK$37,808 HKD
$4,819 USD
View
Final sale: no returns
Retailer 4
-
HK$39,166 HKD
$4,992 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
HK$39,503 HKD
$5,035 USD
View
B
Retailer 6
-
HK$55,121 HKD
£5,532 GBP
View
B
Retailer 7
-
HK$60,616 HKD
$7,726 USD
View
B
Retailer 8
-
HK$81,097 HKD
£8,139 GBP
View
B
Retailer 9
-
HK$101,037 HKD
ZAR 208,045 ZAR
View
Most Expensive
B
Reve Diamonds
5C195E453 · Nov 1
HK$102,441 HKD
$13,057 USD
View
9 more retailers have this diamond
Prices start from HK$22,753 HKDSave up to HK$79,688 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$22,753 HKD