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Marquise|Lab Grown|IGI

2.56ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG790644856

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790644856

Diamond specifications and retailer prices

From HK$24,439 HKD
$3,115 USD
As of October 30, 2026
Save HK$74,446 HKD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$98,885 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.56ct lab-grown marquise diamond

This 2.56ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790644856 or 790644856. Listed at 21 retailers as of October 30, 2026, with prices from HK$24,439 to HK$98,885, a HK$74,446 spread on the same certified stone. Taylor and Hart lists it at HK$98,885. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790644856
Dimensions14.24 × 7.13 × 4.29 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.24 mm7.13 mm2.56 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790644856
Side View
Table 63.0%Crown 38.4°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 60.2%

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 30
Current: HK$71,851 HKD|Low: HK$23,459 HKD|High: HK$95,326 HKD|Avg: HK$46,274 HKD|-1.2%
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
November 1, 2026
Retailer 3HK$24,439 HKD
Retailer 7HK$26,683 HKD
Retailer 4HK$27,358 HKD
Retailer 5HK$28,347 HKD
Retailer 9HK$28,347 HKD
Retailer 8HK$28,480 HKD
Retailer 12HK$28,669 HKD
Retailer 18HK$29,578 HKD
Retailer 6HK$35,423 HKD
Retailer 13HK$37,615 HKD
Retailer 17HK$39,895 HKD
Retailer 15HK$40,562 HKD
Retailer 10HK$48,904 HKD
Retailer 16HK$49,889 HKD
Retailer 2HK$70,658 HKD
Retailer 1HK$71,851 HKD
Retailer 14HK$73,116 HKD
Retailer 19HK$82,444 HKD
Retailer 11HK$95,326 HKD

36 data points across 19 retailers

21 retailersHK$24,439 HKD to HK$98,885 HKD

A
Cheapest Retailer
-
HK$24,439 HKD
$3,115 USD
A
Retailer 2
-
HK$26,589 HKD
$3,389 USD
View
A
Retailer 3
-
HK$26,683 HKD
$3,401 USD
View
A
Retailer 4
-
HK$27,358 HKD
$3,487 USD
View
Final sale: no returns
Retailer 5
-
HK$28,347 HKD
$3,613 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$28,347 HKD
$3,613 USD
View
A
Retailer 7
-
HK$28,480 HKD
$3,630 USD
View
A
Retailer 8
-
HK$28,669 HKD
£2,877 GBP
View
A
Retailer 9
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HK$29,578 HKD
$3,770 USD
View
B+
Retailer 10
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HK$35,423 HKD
$4,515 USD
View
B+
Retailer 11
-
HK$37,615 HKD
£3,775 GBP
View
B+
Retailer 12
-
HK$39,895 HKD
$5,085 USD
View
B+
Retailer 13
-
HK$40,562 HKD
$5,170 USD
View
B+
Retailer 14
-
HK$48,904 HKD
£4,908 GBP
View
Retailer 15
-
HK$49,889 HKD
€6,056 EUR
View
Price last confirmed 7 days ago
B
Retailer 16
-
HK$70,658 HKD
$9,006 USD
View
B
Retailer 17
-
HK$71,851 HKD
£7,211 GBP
View
B
Retailer 18
-
HK$73,116 HKD
ZAR 150,553 ZAR
View
B
Retailer 19
-
HK$82,444 HKD
$10,508 USD
View
B
Retailer 20
-
HK$95,326 HKD
SGD 16,419 SGD
View
Most Expensive
B
Taylor and Hart
N59CBHO · Oct 31
HK$98,885 HKD
$12,604 USD
View
20 more retailers have this diamond
Prices start from HK$24,439 HKDSave up to HK$74,446 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 Marquise
HK$24,439 HKD