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Marquise|Lab Grown|IGI

2.55ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG831648740

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831648740

Diamond specifications and retailer prices

From HK$3,716 HKD
As of October 31, 2026
Save HK$14,251 HKD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$17,967 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG831648740 or 831648740. Listed at 16 retailers as of October 31, 2026, with prices from HK$3,716 to HK$17,967, a HK$14,251 spread on the same certified stone. Brilliant Earth lists it at HK$17,967. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.55
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648740
Dimensions13.93 × 7.15 × 4.59 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.93 mm7.15 mm2.55 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831648740
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.2%

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: Oct 31
Current: HK$17,967 HKD|Low: HK$3,123 HKD|High: HK$30,441 HKD|Avg: HK$9,856 HKD|-41.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4HK$3,123 HKD
Retailer 2HK$3,716 HKD
Retailer 9HK$4,341 HKD
Retailer 8HK$5,217 HKD
Retailer 11HK$5,330 HKD
Retailer 3HK$5,539 HKD
Retailer 10HK$6,183 HKD
Retailer 5HK$6,630 HKD
Retailer 7HK$8,387 HKD
Retailer 6HK$10,810 HKD
Retailer 12HK$13,521 HKD
Retailer 13HK$16,201 HKD
Brilliant EarthHK$17,967 HKD

40 data points across 13 retailers

16 retailersHK$3,716 HKD to HK$17,967 HKD

Retailer 1
-
HK$2,785 HKD
$355 USD
Price last confirmed 15 days ago
Retailer 2
-
HK$3,232 HKD
$412 USD
View
Price last confirmed 16 days ago
Retailer 3
-
HK$3,452 HKD
$440 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
HK$3,716 HKD
View
A
Retailer 5
-
HK$4,341 HKD
£436 GBP
View
B+
Retailer 6
-
HK$5,217 HKD
$665 USD
View
A
Retailer 7
-
HK$5,330 HKD
€647 EUR
View
B
Retailer 8
-
HK$5,539 HKD
$706 USD
View
B+
Retailer 9
-
HK$6,183 HKD
£621 GBP
View
B+
Retailer 10
-
HK$6,630 HKD
$845 USD
View
B
Retailer 11
-
HK$8,387 HKD
$1,069 USD
View
B
Retailer 12
-
HK$10,810 HKD
SGD 1,862 SGD
View
Retailer 13
-
HK$11,110 HKD
$1,416 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
HK$13,521 HKD
£1,357 GBP
View
B
Retailer 15
-
HK$16,201 HKD
$2,065 USD
View
Most Expensive
B
Brilliant Earth
21273875A · Oct 31
HK$17,967 HKD
$2,290 USD
View
15 more retailers have this diamond
Prices start from HK$3,716 HKDSave up to HK$14,251 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$3,716 HKD