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Marquise|Lab Grown|IGI

2.55ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG843654767

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654767

Diamond specifications and retailer prices

From HK$9,431 HKD
$1,202 USD
As of October 30, 2026
Save HK$28,900 HKD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$38,331 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843654767 or 843654767. Listed at 18 retailers as of October 30, 2026, with prices from HK$9,431 to HK$38,331, a HK$28,900 spread on the same certified stone. Taylor and Hart lists it at HK$38,331. 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

2.55
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843654767
Dimensions14.15 × 7.08 × 4.31 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
14.15 mm7.08 mm2.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843654767
Side View
Table 62.0%Crown 39.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

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$11,096 HKD|Low: HK$9,431 HKD|High: HK$38,331 HKD|Avg: HK$21,905 HKD|-0.2%
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
Taylor and Hart
October 30, 2026
Retailer 5HK$9,431 HKD
Retailer 15HK$10,262 HKD
Retailer 6HK$10,552 HKD
Retailer 12HK$10,937 HKD
Retailer 1HK$11,096 HKD
Retailer 3HK$12,279 HKD
Retailer 9HK$13,322 HKD
Retailer 8HK$15,652 HKD
Retailer 10HK$15,873 HKD
Retailer 14HK$20,501 HKD
Retailer 2HK$21,576 HKD
Retailer 11HK$28,221 HKD
Retailer 4HK$31,391 HKD
Retailer 16HK$33,383 HKD
Retailer 17HK$34,448 HKD
Retailer 13HK$35,332 HKD
Retailer 7HK$36,641 HKD
Taylor and HartHK$38,331 HKD

5 data points across 18 retailers

18 retailersHK$9,431 HKD to HK$38,331 HKD

A
Cheapest Retailer
-
HK$9,431 HKD
$1,202 USD
A
Retailer 2
-
HK$10,262 HKD
$1,308 USD
View
A
Retailer 3
-
HK$10,552 HKD
$1,345 USD
View
Final sale: no returns
A
Retailer 4
-
HK$10,937 HKD
$1,394 USD
View
A
Retailer 5
-
HK$11,096 HKD
£1,114 GBP
View
A
Retailer 6
-
HK$12,279 HKD
$1,565 USD
View
A
Retailer 7
-
HK$13,322 HKD
$1,698 USD
View
A
Retailer 8
-
HK$15,652 HKD
$1,995 USD
View
A
Retailer 9
-
HK$15,873 HKD
£1,593 GBP
View
A
Retailer 10
-
HK$20,501 HKD
$2,613 USD
View
A
Retailer 11
-
HK$21,576 HKD
$2,750 USD
View
A
Retailer 12
-
HK$28,221 HKD
ZAR 58,110 ZAR
View
B+
Retailer 13
-
HK$31,391 HKD
$4,001 USD
View
B+
Retailer 14
-
HK$33,383 HKD
$4,255 USD
View
B+
Retailer 15
-
HK$34,448 HKD
$4,391 USD
View
B+
Retailer 16
-
HK$35,332 HKD
£3,546 GBP
View
B+
Retailer 17
-
HK$36,641 HKD
SGD 6,311 SGD
View
Most Expensive
B+
Taylor and Hart
9Q8TXPG · Oct 30
HK$38,331 HKD
$4,886 USD
View
17 more retailers have this diamond
Prices start from HK$9,431 HKDSave up to HK$28,900 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
2.55ct Marquise
HK$9,431 HKD