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2.59ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG823654023

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823654023

Diamond specifications and retailer prices

From HK$4,679 HKD
€568 EUR
As of October 29, 2026
Save HK$6,789 HKD (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$11,588 HKD at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 2.59ct lab-grown round diamond

This 2.59ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823654023 or 823654023. Listed at 3 retailers as of October 26, 2026, with a 145% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823654023
Dimensions8.76 × 8.80 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.76 mm8.80 mm2.59 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823654023
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: HK$11,588 HKD|Low: HK$4,613 HKD|High: HK$11,768 HKD|Avg: HK$9,258 HKD|+2.4%
Michael Trio
Retailer 2
Retailer 3
October 29, 2026
Retailer 2HK$4,679 HKD
Retailer 3HK$11,469 HKD
Michael TrioHK$11,588 HKD

16 data points across 3 retailers

3 retailersHK$4,679 HKD to HK$11,469 HKD

A
Cheapest Retailer
-
HK$4,679 HKD
€568 EUR
B
Retailer 2
-
HK$11,469 HKD
£1,151 GBP
View
Most Expensive
Michael Trio
1612451348 · Oct 13
HK$11,588 HKD
SGD 1,996 SGD
View
Price last confirmed 18 days ago
2 more retailers have this diamond
Prices start from HK$4,679 HKDSave up to HK$6,789 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
2.59ct Round
HK$4,679 HKD