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Marquise|Lab Grown|IGI

2.50ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818673798

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818673798

Diamond specifications and retailer prices

From HK$23,874 HKD
$3,043 USD
As of October 30, 2026
Save HK$72,562 HKD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$96,437 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.5ct lab-grown marquise diamond

This 2.5ct 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 LG818673798 or 818673798. Listed at 19 retailers as of October 30, 2026, with prices from HK$23,874 to HK$96,437, a HK$72,562 spread on the same certified stone. Taylor and Hart lists it at HK$96,437. 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

2.50
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818673798
Dimensions13.48 × 7.04 × 4.11 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.48 mm7.04 mm2.50 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818673798
Side View
Table 62.0%Crown 33.9°Girdle: THK-VTKPavilion 35.3°Culet: NoneDepth 58.4%

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$70,187 HKD|Low: HK$22,917 HKD|High: HK$96,437 HKD|Avg: HK$41,934 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
Taylor and Hart
November 1, 2026
Retailer 2HK$23,874 HKD
Retailer 7HK$25,655 HKD
Retailer 16HK$25,969 HKD
Retailer 3HK$26,738 HKD
Retailer 5HK$27,695 HKD
Retailer 8HK$27,695 HKD
Retailer 6HK$27,876 HKD
Retailer 11HK$28,007 HKD
Retailer 17HK$28,951 HKD
Retailer 14HK$33,619 HKD
Retailer 4HK$34,607 HKD
Retailer 12HK$37,427 HKD
Retailer 15HK$38,977 HKD
Retailer 9HK$43,026 HKD
Retailer 10HK$47,708 HKD
Retailer 18HK$69,560 HKD
Retailer 1HK$70,187 HKD
Retailer 13HK$71,434 HKD
Taylor and HartHK$96,437 HKD

32 data points across 19 retailers

19 retailersHK$23,874 HKD to HK$96,437 HKD

A
Cheapest Retailer
-
HK$23,874 HKD
$3,043 USD
A
Retailer 2
-
HK$25,655 HKD
$3,270 USD
View
A
Retailer 3
-
HK$25,969 HKD
$3,310 USD
View
A
Retailer 4
-
HK$26,738 HKD
$3,408 USD
View
Final sale: no returns
Retailer 5
-
HK$27,695 HKD
$3,530 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$27,695 HKD
$3,530 USD
View
A
Retailer 7
-
HK$27,876 HKD
$3,553 USD
View
A
Retailer 8
-
HK$28,007 HKD
£2,811 GBP
View
A
Retailer 9
-
HK$28,951 HKD
$3,690 USD
View
B+
Retailer 10
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HK$33,619 HKD
$4,285 USD
View
B+
Retailer 11
-
HK$34,607 HKD
$4,411 USD
View
B+
Retailer 12
-
HK$37,427 HKD
£3,756 GBP
View
B+
Retailer 13
-
HK$38,977 HKD
$4,968 USD
View
B+
Retailer 14
-
HK$43,026 HKD
$5,484 USD
View
B+
Retailer 15
-
HK$47,708 HKD
£4,788 GBP
View
B
Retailer 16
-
HK$69,560 HKD
$8,866 USD
View
B
Retailer 17
-
HK$70,187 HKD
£7,044 GBP
View
B
Retailer 18
-
HK$71,434 HKD
ZAR 147,090 ZAR
View
Most Expensive
B
Taylor and Hart
QL501ID · Oct 31
HK$96,437 HKD
$12,292 USD
View
18 more retailers have this diamond
Prices start from HK$23,874 HKDSave up to HK$72,562 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
2.50ct Marquise
HK$23,874 HKD