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Cushion|Lab Grown|IGI

2.54ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG815677110

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG815677110

Diamond specifications and retailer prices

From HK$9,611 HKD
$1,225 USD
As of October 31, 2026
Save HK$32,677 HKD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$42,288 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.54ct lab-grown cushion diamond

This 2.54ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815677110 or 815677110. Listed at 16 retailers as of October 30, 2026, with prices from HK$9,611 to HK$42,288, a HK$32,677 spread on the same certified stone. Brilliant Earth lists it at HK$42,288. 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

2.54
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677110
Dimensions8.19 × 7.99 × 5.22 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.19 mm7.99 mm2.54 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677110
Side View
Table 61.0%Crown 37.4°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$42,288 HKD|Low: HK$9,611 HKD|High: HK$49,428 HKD|Avg: HK$25,375 HKD|-14.4%
Brilliant Earth
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
October 31, 2026
Retailer 16HK$9,611 HKD
Retailer 7HK$10,725 HKD
Retailer 10HK$11,102 HKD
Retailer 9HK$14,304 HKD
Retailer 4HK$15,840 HKD
Retailer 2HK$15,850 HKD
Retailer 14HK$21,144 HKD
Retailer 5HK$25,499 HKD
Retailer 11HK$25,682 HKD
Retailer 8HK$25,946 HKD
Retailer 15HK$28,825 HKD
Retailer 13HK$31,741 HKD
Retailer 12HK$33,938 HKD
Retailer 3HK$34,794 HKD
Retailer 6HK$39,150 HKD
Brilliant EarthHK$42,288 HKD

38 data points across 16 retailers

16 retailersHK$9,611 HKD to HK$42,288 HKD

A
Cheapest Retailer
-
HK$9,611 HKD
$1,225 USD
Final sale: no returns
Retailer 2
-
HK$10,725 HKD
$1,367 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
HK$11,102 HKD
$1,415 USD
View
A
Retailer 4
-
HK$14,304 HKD
£1,436 GBP
View
A
Retailer 5
-
HK$15,840 HKD
$2,019 USD
View
A
Retailer 6
-
HK$15,850 HKD
€1,924 EUR
View
A
Retailer 7
-
HK$21,144 HKD
$2,695 USD
View
Retailer 8
-
HK$25,499 HKD
A$5,000 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$25,682 HKD
ZAR 52,882 ZAR
View
Retailer 10
-
HK$25,946 HKD
£2,604 GBP
View
Price last confirmed 20 days ago
B+
Retailer 11
-
HK$28,825 HKD
$3,674 USD
View
B+
Retailer 12
-
HK$31,741 HKD
$4,046 USD
View
B+
Retailer 13
-
HK$33,938 HKD
£3,406 GBP
View
B+
Retailer 14
-
HK$34,794 HKD
$4,435 USD
View
Retailer 15
-
HK$39,150 HKD
$4,990 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Brilliant Earth
21017069A · Oct 30
HK$42,288 HKD
$5,390 USD
View
15 more retailers have this diamond
Prices start from HK$9,611 HKDSave up to HK$32,677 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
2.54ct Cushion
HK$9,611 HKD