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Radiant|Natural|IGI

0.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • IGI 692555294

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 692555294

Diamond specifications and retailer prices

From HK$3,345 HKD
₹40,604 INR
As of October 30, 2026
Save HK$10,762 HKD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$14,107 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 692555294. Listed at 7 retailers as of October 30, 2026, with prices from HK$3,345 to HK$14,107, a HK$10,762 spread on the same certified stone. NZ Jewellers lists it at HK$14,107. 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

0.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle32.4°
OriginNatural
Grading LabIGI
CertificateIGI 692555294
Dimensions5.25 × 4.08 × 2.72 mm
L/W Ratio1.29
Culet sizePointed
Top View
5.25 mm4.08 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 692555294
Side View
Table 66.0%Crown 42.6°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 66.7%

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 30
Current: HK$14,107 HKD|Low: HK$3,325 HKD|High: HK$14,530 HKD|Avg: HK$7,248 HKD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4HK$3,345 HKD
Retailer 8HK$5,119 HKD
Retailer 7HK$5,531 HKD
Retailer 5HK$5,636 HKD
Retailer 6HK$6,401 HKD
Retailer 3HK$6,665 HKD
Retailer 2HK$10,392 HKD
NZ JewellersHK$14,107 HKD

46 data points across 8 retailers

7 retailersHK$3,345 HKD to HK$14,107 HKD

A
Cheapest Retailer
-
HK$3,345 HKD
₹40,604 INR
B+
Retailer 2
-
HK$5,531 HKD
$705 USD
View
A
Retailer 3
-
HK$5,636 HKD
£566 GBP
View
B+
Retailer 4
-
HK$6,401 HKD
$816 USD
View
B+
Retailer 5
-
HK$6,665 HKD
€809 EUR
View
B
Retailer 6
-
HK$10,392 HKD
£1,043 GBP
View
Most Expensive
B
NZ Jewellers
eb0ea19e-556b-4bfb-8a67-c25abd743aa2 · Oct 30
HK$14,107 HKD
$1,798 USD
View
6 more retailers have this diamond
Prices start from HK$3,345 HKDSave up to HK$10,762 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
0.51ct Radiant
HK$3,345 HKD