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Marquise|Lab Grown|IGI

2.55ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG780664158

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780664158

Diamond specifications and retailer prices

From HK$26,793 HKD
$3,415 USD
As of November 2, 2026
Save HK$90,210 HKD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$117,003 HKD at With Clarity · As of November 2, 2026
View at With Clarity

About this 2.55ct lab-grown marquise diamond

This 2.55ct 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 LG780664158 or 780664158. Listed at 16 retailers as of November 2, 2026, with prices from HK$26,793 to HK$117,003, a HK$90,210 spread on the same certified stone. With Clarity lists it at HK$117,003. 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664158
Dimensions13.79 × 7.10 × 4.49 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
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
13.79 mm7.10 mm2.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664158
Side View
Table 59.0%Crown 36.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 63.2%

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: Nov 2
Current: HK$27,083 HKD|Low: HK$19,624 HKD|High: HK$148,041 HKD|Avg: HK$60,953 HKD|+10.6%
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
With Clarity
November 2, 2026
Retailer 6HK$19,624 HKD
Retailer 3HK$26,793 HKD
Retailer 1HK$27,083 HKD
Retailer 9HK$36,956 HKD
Retailer 12HK$37,542 HKD
Retailer 8HK$39,863 HKD
Retailer 5HK$45,411 HKD
Retailer 2HK$48,324 HKD
Retailer 10HK$53,037 HKD
Retailer 14HK$74,872 HKD
Retailer 11HK$75,876 HKD
Retailer 15HK$77,214 HKD
Retailer 4HK$79,226 HKD
Retailer 13HK$85,323 HKD
Retailer 7HK$104,854 HKD
With ClarityHK$117,003 HKD

26 data points across 16 retailers

16 retailersHK$26,793 HKD to HK$117,003 HKD

A
Cheapest Retailer
-
HK$26,793 HKD
$3,415 USD
A
Retailer 2
-
HK$27,083 HKD
$3,452 USD
View
B+
Retailer 3
-
HK$36,956 HKD
View
B+
Retailer 4
-
HK$37,542 HKD
$4,785 USD
View
B+
Retailer 5
-
HK$39,863 HKD
£4,001 GBP
View
B+
Retailer 6
-
HK$45,411 HKD
$5,788 USD
View
B+
Retailer 7
-
HK$48,324 HKD
€5,866 EUR
View
B+
Retailer 8
-
HK$51,389 HKD
$6,550 USD
View
B
Retailer 9
-
HK$53,037 HKD
$6,760 USD
View
B
Retailer 10
-
HK$74,872 HKD
$9,543 USD
View
B
Retailer 11
-
HK$75,876 HKD
£7,615 GBP
View
B
Retailer 12
-
HK$77,214 HKD
ZAR 158,992 ZAR
View
Retailer 13
-
HK$79,226 HKD
$10,098 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
HK$85,323 HKD
A$16,731 AUD
View
B
Retailer 15
-
HK$104,854 HKD
$13,364 USD
View
Most Expensive
B
With Clarity
780664158 · Nov 2
HK$117,003 HKD
$14,913 USD
View
15 more retailers have this diamond
Prices start from HK$26,793 HKDSave up to HK$90,210 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$26,793 HKD