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Round|Lab Grown|GCAL

2.59ct H SI1 Round Lab Grown Diamond

EX • H/SI1

Diamond specifications and retailer prices

From HK$3,162 HKD
As of November 5, 2026
Save HK$15,019 HKD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$18,180 HKD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 2.59ct lab-grown round diamond

This 2.59ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 8 retailers as of November 5, 2026, with prices from HK$3,162 to HK$18,180, a HK$15,019 spread on the same certified stone. Diamond Exchange Canada lists it at HK$18,180. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.59
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions8.77 × 8.82 × 5.45 mm
L/W Ratio1.01
Top View
8.77 mm8.82 mm2.59 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCuletDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$18,180 HKD|Low: HK$2,542 HKD|High: HK$18,180 HKD|Avg: HK$6,875 HKD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 6HK$2,542 HKD
Retailer 5HK$3,107 HKD
Retailer 2HK$3,162 HKD
Retailer 3HK$3,381 HKD
Retailer 4HK$11,172 HKD
Diamond Exchange CanadaHK$18,180 HKD

7 data points across 6 retailers

8 retailersHK$3,162 HKD to HK$18,180 HKD

Retailer 1
-
HK$2,542 HKD
Price last confirmed 45 days ago
Retailer 2
-
HK$2,950 HKD
View
Price last confirmed 44 days ago
Retailer 3
-
HK$3,107 HKD
View
Price last confirmed 45 days ago
B+
Retailer 4
-
HK$3,162 HKD
View
Retailer 5
-
HK$3,381 HKD
View
Price last confirmed 12 days ago
Retailer 6
-
HK$3,954 HKD
View
Price last confirmed 52 days ago
Retailer 7
-
HK$11,172 HKD
View
Price last confirmed 46 days ago
Most Expensive
B+
Diamond Exchange Canada
1986528093 · Nov 5
HK$18,180 HKD
CA$3,219 CAD
View
7 more retailers have this diamond
Prices start from HK$3,162 HKDSave up to HK$15,019 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.

B+
2.59ct Round
HK$3,162 HKD