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Marquise|Lab Grown|IGI

2.50ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818684299

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818684299

Diamond specifications and retailer prices

From HK$28,935 HKD
$3,688 USD
As of October 31, 2026
Save HK$95,969 HKD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$124,904 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG818684299 or 818684299. Listed at 12 retailers as of October 31, 2026, with prices from HK$28,935 to HK$124,904, a HK$95,969 spread on the same certified stone. With Clarity lists it at HK$124,904. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684299
Dimensions13.62 × 7.02 × 4.50 mm
L/W Ratio1.94
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
13.62 mm7.02 mm2.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684299
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 64.1%

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$42,583 HKD|Low: HK$28,935 HKD|High: HK$124,904 HKD|Avg: HK$69,199 HKD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 7HK$28,935 HKD
Retailer 2HK$39,367 HKD
Retailer 1HK$42,583 HKD
Retailer 8HK$48,447 HKD
Retailer 6HK$51,389 HKD
Retailer 9HK$67,630 HKD
Retailer 5HK$68,602 HKD
Retailer 10HK$79,948 HKD
Retailer 4HK$82,173 HKD
Retailer 3HK$84,577 HKD
Retailer 11HK$112,075 HKD
With ClarityHK$124,904 HKD

35 data points across 12 retailers

12 retailersHK$28,935 HKD to HK$124,904 HKD

A
Cheapest Retailer
-
HK$28,935 HKD
$3,688 USD
B+
Retailer 2
-
HK$39,367 HKD
View
B+
Retailer 3
-
HK$42,583 HKD
£4,274 GBP
View
B+
Retailer 4
-
HK$48,447 HKD
$6,175 USD
View
B+
Retailer 5
-
HK$51,389 HKD
€6,238 EUR
View
B
Retailer 6
-
HK$67,630 HKD
$8,620 USD
View
B+
Retailer 7
-
HK$68,602 HKD
£6,885 GBP
View
B
Retailer 8
-
HK$79,948 HKD
$10,190 USD
View
B
Retailer 9
-
HK$82,173 HKD
ZAR 169,203 ZAR
View
Retailer 10
-
HK$84,577 HKD
$10,780 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
HK$112,075 HKD
$14,285 USD
View
Most Expensive
B
With Clarity
818684299 · Oct 31
HK$124,904 HKD
$15,920 USD
View
11 more retailers have this diamond
Prices start from HK$28,935 HKDSave up to HK$95,969 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$28,935 HKD