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Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 1242093314

Certificate GIA 1242093314

Diamond specifications and retailer prices

From HK$15,027 HKD
SGD 2,588 SGD
As of October 29, 2026
Save HK$12,734 HKD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$27,761 HKD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded E 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 1242093314. Listed at 11 retailers as of October 29, 2026, with prices from HK$15,027 to HK$27,761, a HK$12,734 spread on the same certified stone. Helzberg Diamonds lists it at HK$27,761. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242093314
Dimensions7.14 × 5.07 × 3.28 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.14 mm5.07 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242093314
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.8%

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$27,761 HKD|Low: HK$15,355 HKD|High: HK$27,761 HKD|Avg: HK$19,574 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8HK$15,355 HKD
Retailer 5HK$15,489 HKD
Retailer 4HK$15,732 HKD
Retailer 7HK$16,867 HKD
Retailer 2HK$17,046 HKD
Retailer 6HK$18,423 HKD
Retailer 9HK$19,682 HKD
Retailer 3HK$21,824 HKD
Retailer 10HK$25,548 HKD
Helzberg DiamondsHK$27,761 HKD

15 data points across 10 retailers

11 retailersHK$15,027 HKD to HK$27,761 HKD

A
Cheapest Retailer
-
HK$15,027 HKD
SGD 2,588 SGD
A
Retailer 2
-
HK$15,355 HKD
$1,957 USD
View
A
Retailer 3
-
HK$15,489 HKD
$1,974 USD
View
A
Retailer 4
-
HK$15,732 HKD
$2,005 USD
View
A
Retailer 5
-
HK$16,867 HKD
SGD 2,905 SGD
View
A
Retailer 6
-
HK$17,046 HKD
£1,711 GBP
View
A
Retailer 7
-
HK$18,423 HKD
$2,348 USD
View
A
Retailer 8
-
HK$19,682 HKD
$2,508 USD
View
B+
Retailer 9
-
HK$21,824 HKD
€2,649 EUR
View
B+
Retailer 10
-
HK$25,548 HKD
$3,256 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGPJJHK · Oct 29
HK$27,761 HKD
$3,538 USD
View
10 more retailers have this diamond
Prices start from HK$15,027 HKDSave up to HK$12,734 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
1.00ct Radiant
HK$15,027 HKD