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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG768630291

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630291

Diamond specifications and retailer prices

From HK$21,434 HKD
$2,732 USD
As of November 2, 2026
Save HK$83,832 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$105,266 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630291 or 768630291. Listed at 14 retailers as of October 31, 2026, with prices from HK$21,434 to HK$105,266, a HK$83,832 spread on the same certified stone. Taylor and Hart lists it at HK$105,266. 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630291
Dimensions13.85 × 7.08 × 4.51 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
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
13.85 mm7.08 mm2.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630291
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.7%

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: Nov 2
Current: HK$40,018 HKD|Low: HK$21,434 HKD|High: HK$86,894 HKD|Avg: HK$55,490 HKD|-0.3%
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
November 2, 2026
Retailer 4HK$21,434 HKD
Retailer 3HK$26,887 HKD
Retailer 11HK$36,483 HKD
Retailer 1HK$40,018 HKD
Retailer 12HK$45,584 HKD
Retailer 9HK$48,513 HKD
Retailer 10HK$51,625 HKD
Retailer 2HK$63,487 HKD
Retailer 13HK$68,705 HKD
Retailer 6HK$76,145 HKD
Retailer 8HK$77,497 HKD
Retailer 5HK$79,537 HKD
Retailer 7HK$85,660 HKD

43 data points across 13 retailers

14 retailersHK$21,434 HKD to HK$105,266 HKD

A
Cheapest Retailer
-
HK$21,434 HKD
$2,732 USD
A
Retailer 2
-
HK$26,887 HKD
$3,427 USD
View
B+
Retailer 3
-
HK$36,483 HKD
$4,650 USD
View
B+
Retailer 4
-
HK$37,559 HKD
View
B+
Retailer 5
-
HK$40,018 HKD
£4,016 GBP
View
B+
Retailer 6
-
HK$45,584 HKD
$5,810 USD
View
B+
Retailer 7
-
HK$48,513 HKD
€5,889 EUR
View
B+
Retailer 8
-
HK$51,625 HKD
$6,580 USD
View
B
Retailer 9
-
HK$68,705 HKD
$8,757 USD
View
B
Retailer 10
-
HK$76,145 HKD
£7,642 GBP
View
B
Retailer 11
-
HK$77,497 HKD
ZAR 159,574 ZAR
View
Retailer 12
-
HK$79,537 HKD
$10,138 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
HK$85,660 HKD
A$16,797 AUD
View
Most Expensive
B
Taylor and Hart
9517ATH · Oct 31
HK$105,266 HKD
$13,417 USD
View
13 more retailers have this diamond
Prices start from HK$21,434 HKDSave up to HK$83,832 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$21,434 HKD