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Cushion|Lab Grown|IGI

2.56ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG826677478

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG826677478

Diamond specifications and retailer prices

From HK$10,702 HKD
$1,364 USD
As of October 28, 2026
Save HK$29,495 HKD (73%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$40,197 HKD at With Clarity · As of October 28, 2026
View at With Clarity

About this 2.56ct lab-grown cushion diamond

This 2.56ct 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 LG826677478 or 826677478. Listed at 20 retailers as of October 28, 2026, with prices from HK$10,702 to HK$40,197, a HK$29,495 spread on the same certified stone. With Clarity lists it at HK$40,197. 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

2.56
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826677478
Dimensions9.06 × 7.06 × 4.88 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.06 mm7.06 mm2.56 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826677478
Side View
Table 55.0%Crown 40.5°Girdle: MED-THKPavilion 43.4°Culet: LargeDepth 69.1%

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 28
Current: HK$28,603 HKD|Low: HK$10,702 HKD|High: HK$42,449 HKD|Avg: HK$25,387 HKD|-3.4%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 29, 2026
Retailer 4HK$10,702 HKD
Retailer 5HK$11,087 HKD
Retailer 18HK$12,044 HKD
Retailer 8HK$12,856 HKD
Retailer 15HK$15,850 HKD
Retailer 14HK$16,019 HKD
Retailer 12HK$17,532 HKD
Retailer 19HK$19,961 HKD
Retailer 3HK$21,766 HKD
Retailer 17HK$26,363 HKD
Retailer 11HK$26,786 HKD
Retailer 9HK$27,222 HKD
Retailer 1HK$28,603 HKD
Retailer 16HK$30,781 HKD
Retailer 2HK$32,651 HKD
Retailer 6HK$34,856 HKD
Retailer 13HK$35,814 HKD
Retailer 7HK$37,102 HKD
Retailer 10HK$38,864 HKD
With ClarityHK$40,299 HKD

31 data points across 20 retailers

20 retailersHK$10,702 HKD to HK$40,197 HKD

A
Cheapest Retailer
-
HK$10,702 HKD
$1,364 USD
Final sale: no returns
A
Retailer 2
-
HK$11,087 HKD
$1,413 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$12,044 HKD
$1,535 USD
View
A
Retailer 4
-
HK$12,856 HKD
View
A
Retailer 5
-
HK$15,850 HKD
$2,020 USD
View
A
Retailer 6
-
HK$16,019 HKD
£1,608 GBP
View
A
Retailer 7
-
HK$17,532 HKD
€2,128 EUR
View
A
Retailer 8
-
HK$19,961 HKD
$2,544 USD
View
A
Retailer 9
-
HK$21,766 HKD
$2,774 USD
View
A
Retailer 10
-
HK$26,363 HKD
A$5,169 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$26,786 HKD
£2,688 GBP
View
B+
Retailer 12
-
HK$27,222 HKD
$3,469 USD
View
B+
Retailer 13
-
HK$28,603 HKD
ZAR 58,892 ZAR
View
B+
Retailer 14
-
HK$30,781 HKD
$3,923 USD
View
B+
Retailer 15
-
HK$32,651 HKD
A$6,402 AUD
View
Price last confirmed 20 days ago
B+
Retailer 16
-
HK$34,856 HKD
$4,442 USD
View
B+
Retailer 17
-
HK$35,814 HKD
£3,594 GBP
View
B+
Retailer 18
-
HK$37,102 HKD
SGD 6,390 SGD
View
B+
Retailer 19
-
HK$38,864 HKD
$4,953 USD
View
Most Expensive
B+
With Clarity
826677478 · Oct 28
HK$40,197 HKD
$5,123 USD
View
19 more retailers have this diamond
Prices start from HK$10,702 HKDSave up to HK$29,495 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
2.56ct Cushion
HK$10,702 HKD