Radiant|Natural|GIA

1.02ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7543378953

Certificate GIA 7543378953

Diamond specifications and retailer prices

From HK$17,843 HKD
$2,274 USD
As of October 29, 2026
Save HK$20,605 HKD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$38,447 HKD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-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 7543378953. Listed at 9 retailers as of October 27, 2026, with prices from HK$17,843 to HK$38,447, a HK$20,605 spread on the same certified stone. NZ Jewellers lists it at HK$38,447. 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

1.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.13°
Pavilion angle32.83°
OriginNatural
Grading LabGIA
CertificateGIA 7543378953
Dimensions6.68 × 5.23 × 3.29 mm
L/W Ratio1.28
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
6.68 mm5.23 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7543378953
Side View
Table 74.0%Crown 40.13°Girdle: STK-THKPavilion 32.83°Culet: NoneDepth 62.9%

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 29
Current: HK$38,447 HKD|Low: HK$17,545 HKD|High: HK$38,447 HKD|Avg: HK$23,239 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10HK$17,843 HKD
Retailer 2HK$17,994 HKD
Retailer 7HK$18,361 HKD
Retailer 6HK$18,392 HKD
Retailer 5HK$19,239 HKD
Retailer 9HK$19,506 HKD
Retailer 11HK$20,671 HKD
Retailer 8HK$22,643 HKD
Retailer 3HK$24,609 HKD
Retailer 4HK$32,396 HKD
NZ JewellersHK$38,447 HKD

37 data points across 11 retailers

9 retailersHK$17,843 HKD to HK$38,447 HKD

A
Cheapest Retailer
-
HK$17,843 HKD
$2,274 USD
A
Retailer 2
-
HK$17,994 HKD
£1,806 GBP
View
A
Retailer 3
-
HK$18,361 HKD
$2,340 USD
View
A
Retailer 4
-
HK$18,392 HKD
$2,344 USD
View
A
Retailer 5
-
HK$19,239 HKD
$2,452 USD
View
A
Retailer 6
-
HK$19,506 HKD
$2,486 USD
View
Retailer 7
-
HK$22,643 HKD
A$4,440 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
HK$32,396 HKD
£3,251 GBP
View
Most Expensive
B
NZ Jewellers
f43b1e7f-e34d-42a1-a49f-b28d5dba449c · Oct 27
HK$38,447 HKD
$4,900 USD
View
8 more retailers have this diamond
Prices start from HK$17,843 HKDSave up to HK$20,605 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
1.02ct Radiant
HK$17,843 HKD