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Marquise|Lab Grown|IGI

2.54ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817661438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817661438

Diamond specifications and retailer prices

From HK$13,149 HKD
$1,676 USD
As of November 2, 2026
Save HK$40,395 HKD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$53,545 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.54ct lab-grown marquise diamond

This 2.54ct 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 LG817661438 or 817661438. Listed at 19 retailers as of October 31, 2026, with prices from HK$13,149 to HK$53,545, a HK$40,395 spread on the same certified stone. Taylor and Hart lists it at HK$53,545. 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661438
Dimensions14.21 × 7.09 × 4.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm7.09 mm2.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661438
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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$21,626 HKD|Low: HK$13,149 HKD|High: HK$57,033 HKD|Avg: HK$27,971 HKD|-8.7%
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
Taylor and Hart
November 2, 2026
Retailer 8HK$13,149 HKD
Retailer 13HK$14,311 HKD
Retailer 3HK$14,726 HKD
Retailer 6HK$15,260 HKD
Retailer 12HK$16,594 HKD
Retailer 14HK$17,221 HKD
Retailer 1HK$21,626 HKD
Retailer 2HK$22,039 HKD
Retailer 15HK$23,969 HKD
Retailer 16HK$26,307 HKD
Retailer 5HK$28,598 HKD
Retailer 7HK$31,566 HKD
Retailer 9HK$36,218 HKD
Retailer 10HK$39,366 HKD
Retailer 4HK$41,111 HKD
Retailer 11HK$43,812 HKD
Taylor and HartHK$53,545 HKD

35 data points across 17 retailers

19 retailersHK$13,149 HKD to HK$53,545 HKD

A+
Cheapest Retailer
-
HK$13,149 HKD
$1,676 USD
A
Retailer 2
-
HK$14,311 HKD
$1,824 USD
View
A
Retailer 3
-
HK$14,726 HKD
$1,877 USD
View
Final sale: no returns
A
Retailer 4
-
HK$15,260 HKD
$1,945 USD
View
Retailer 5
-
HK$15,958 HKD
$2,034 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$16,594 HKD
$2,115 USD
View
A
Retailer 7
-
HK$17,221 HKD
$2,195 USD
View
A
Retailer 8
-
HK$21,626 HKD
£2,170 GBP
View
A
Retailer 9
-
HK$22,039 HKD
$2,809 USD
View
A
Retailer 10
-
HK$23,969 HKD
$3,055 USD
View
A
Retailer 11
-
HK$26,307 HKD
$3,353 USD
View
A
Retailer 12
-
HK$28,598 HKD
$3,645 USD
View
A
Retailer 13
-
HK$31,566 HKD
£3,168 GBP
View
Retailer 14
-
HK$35,983 HKD
$4,586 USD
View
Price last confirmed 105 days ago
B+
Retailer 15
-
HK$36,218 HKD
A$7,102 AUD
View
B+
Retailer 16
-
HK$39,366 HKD
ZAR 81,058 ZAR
View
B+
Retailer 17
-
HK$41,111 HKD
$5,240 USD
View
B+
Retailer 18
-
HK$43,812 HKD
£4,397 GBP
View
Most Expensive
B+
Taylor and Hart
296ETUU · Oct 31
HK$53,545 HKD
$6,825 USD
View
18 more retailers have this diamond
Prices start from HK$13,149 HKDSave up to HK$40,395 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 Marquise
HK$13,149 HKD