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Marquise|Lab Grown|IGI

2.54ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818683666

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818683666

Diamond specifications and retailer prices

From HK$29,390 HKD
$3,746 USD
As of October 31, 2026
Save HK$97,506 HKD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$126,896 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 2.54ct lab-grown marquise diamond

This 2.54ct 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 LG818683666 or 818683666. Listed at 10 retailers as of October 31, 2026, with prices from HK$29,390 to HK$126,896, a HK$97,506 spread on the same certified stone. With Clarity lists it at HK$126,896. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683666
Dimensions13.77 × 7.06 × 4.54 mm
L/W Ratio1.95
Girdle conditionFaceted
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
13.77 mm7.06 mm2.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683666
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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 31
Current: HK$69,260 HKD|Low: HK$29,390 HKD|High: HK$126,896 HKD|Avg: HK$68,153 HKD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 1, 2026
Retailer 4HK$29,390 HKD
Retailer 7HK$40,070 HKD
Retailer 2HK$43,261 HKD
Retailer 5HK$49,208 HKD
Retailer 3HK$52,212 HKD
Retailer 6HK$68,728 HKD
Retailer 1HK$69,260 HKD
Retailer 8HK$85,930 HKD
Retailer 9HK$113,875 HKD
With ClarityHK$126,896 HKD

35 data points across 10 retailers

10 retailersHK$29,390 HKD to HK$126,896 HKD

A
Cheapest Retailer
-
HK$29,390 HKD
$3,746 USD
B+
Retailer 2
-
HK$40,070 HKD
View
B+
Retailer 3
-
HK$43,261 HKD
£4,342 GBP
View
B+
Retailer 4
-
HK$49,208 HKD
$6,272 USD
View
B+
Retailer 5
-
HK$52,212 HKD
€6,338 EUR
View
B
Retailer 6
-
HK$68,728 HKD
$8,760 USD
View
B+
Retailer 7
-
HK$69,260 HKD
£6,951 GBP
View
Retailer 8
-
HK$85,930 HKD
$10,952 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
HK$113,875 HKD
$14,514 USD
View
Most Expensive
B
With Clarity
818683666 · Oct 31
HK$126,896 HKD
$16,174 USD
View
9 more retailers have this diamond
Prices start from HK$29,390 HKDSave up to HK$97,506 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$29,390 HKD