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Radiant|Natural|GIA

2.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 5231771563

Certificate GIA 5231771563

Diamond specifications and retailer prices

From HK$116,593 HKD
$14,860 USD
As of November 2, 2026
Save HK$48,175 HKD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$164,768 HKD at Jared · As of November 2, 2026
View at Jared

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231771563. Listed at 8 retailers as of November 2, 2026, with prices from HK$116,593 to HK$164,768, a HK$48,175 spread on the same certified stone. Jared lists it at HK$164,768. 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

2.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.57°
Pavilion angle30.14°
OriginNatural
Grading LabGIA
CertificateGIA 5231771563
Dimensions8.95 × 6.74 × 4.47 mm
L/W Ratio1.33
Top View
8.95 mm6.74 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231771563
Side View
Table 68.0%Crown 44.57°Girdle: STK-VTKPavilion 30.14°Culet: NoneDepth 66.3%

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$164,768 HKD|Low: HK$116,593 HKD|High: HK$164,768 HKD|Avg: HK$141,276 HKD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 5, 2026
Retailer 4HK$116,593 HKD
Retailer 5HK$124,926 HKD
Retailer 8HK$128,690 HKD
Retailer 2HK$130,120 HKD
Retailer 9HK$139,342 HKD
Retailer 10HK$147,022 HKD
Retailer 3HK$154,607 HKD
Retailer 6HK$159,511 HKD
Retailer 7HK$159,511 HKD
JaredHK$164,768 HKD

3 data points across 10 retailers

8 retailersHK$116,593 HKD to HK$164,768 HKD

A
Cheapest Retailer
-
HK$116,593 HKD
$14,860 USD
A
Retailer 2
-
HK$124,926 HKD
$15,922 USD
View
A
Retailer 3
-
HK$126,713 HKD
A$24,846 AUD
View
A
Retailer 4
-
HK$130,120 HKD
$16,584 USD
View
Final sale: no returns
A
Retailer 5
-
HK$154,607 HKD
$19,705 USD
View
A
Retailer 6
-
HK$159,511 HKD
$20,330 USD
View
A
Retailer 7
-
HK$159,511 HKD
$20,330 USD
View
Most Expensive
A
Jared
159330553 · Nov 2
HK$164,768 HKD
$21,000 USD
View
7 more retailers have this diamond
Prices start from HK$116,593 HKDSave up to HK$48,175 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
2.51ct Radiant
HK$116,593 HKD