CaratHunter
Plans
Radiant|Natural|GIA

0.51ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 2557068741

Certificate GIA 2557068741

Diamond specifications and retailer prices

From HK$4,021 HKD
As of November 6, 2026
Save HK$6,952 HKD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$10,972 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557068741. Listed at 8 retailers as of November 6, 2026, with prices from HK$4,021 to HK$10,972, a HK$6,952 spread on the same certified stone. Do Amore Diamonds lists it at HK$10,972. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557068741
Dimensions5.39 × 3.89 × 2.61 mm
L/W Ratio1.39
Top View
5.39 mm3.89 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557068741
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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 6
Current: HK$10,972 HKD|Low: HK$3,503 HKD|High: HK$11,756 HKD|Avg: HK$5,787 HKD|-6.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 7HK$4,021 HKD
Retailer 8HK$4,358 HKD
Retailer 2HK$4,859 HKD
Retailer 9HK$4,985 HKD
Retailer 6HK$5,173 HKD
Retailer 3HK$5,643 HKD
Retailer 5HK$5,643 HKD
Retailer 4HK$5,800 HKD
Do Amore DiamondsHK$10,972 HKD

12 data points across 9 retailers

8 retailersHK$4,021 HKD to HK$10,972 HKD

A
Cheapest Retailer
-
HK$4,021 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,358 HKD
View
A
Retailer 3
-
HK$4,859 HKD
View
A
Retailer 4
-
HK$5,173 HKD
View
A
Retailer 5
-
HK$5,643 HKD
View
A
Retailer 6
-
HK$5,643 HKD
View
A
Retailer 7
-
HK$5,800 HKD
View
Most Expensive
B
Do Amore Diamonds
12-100767938005 · Nov 6
HK$10,972 HKD
$1,400 USD
View
7 more retailers have this diamond
Prices start from HK$4,021 HKDSave up to HK$6,952 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$4,021 HKD