CaratHunter
Plans
Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 1242093314

Certificate GIA 1242093314

Diamond specifications and retailer prices

From $2,726 AUD
SGD 2,588 SGD
As of October 29, 2026
Save $2,310 AUD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,037 AUD 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 $2,726 to $5,037, a $2,310 spread on the same certified stone. Helzberg Diamonds lists it at $5,037. 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: $5,037 AUD|Low: $2,786 AUD|High: $5,037 AUD|Avg: $3,548 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$2,786 AUD
Retailer 5$2,810 AUD
Retailer 4$2,854 AUD
Retailer 7$3,060 AUD
Retailer 2$3,102 AUD
Retailer 6$3,343 AUD
Retailer 9$3,571 AUD
Retailer 3$3,960 AUD
Retailer 10$4,635 AUD
Helzberg Diamonds$5,037 AUD

16 data points across 10 retailers

11 retailers$2,726 AUD to $5,037 AUD

A
Cheapest Retailer
-
$2,726 AUD
SGD 2,588 SGD
A
Retailer 2
-
$2,786 AUD
$1,957 USD
View
A
Retailer 3
-
$2,810 AUD
$1,974 USD
View
A
Retailer 4
-
$2,854 AUD
$2,005 USD
View
A
Retailer 5
-
$3,060 AUD
SGD 2,905 SGD
View
A
Retailer 6
-
$3,102 AUD
£1,716 GBP
View
A
Retailer 7
-
$3,343 AUD
$2,348 USD
View
A
Retailer 8
-
$3,571 AUD
$2,508 USD
View
B+
Retailer 9
-
$3,960 AUD
€2,649 EUR
View
B+
Retailer 10
-
$4,635 AUD
$3,256 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGPJJHK · Oct 29
$5,037 AUD
$3,538 USD
View
10 more retailers have this diamond
Prices start from $2,726 AUDSave up to $2,310 AUD

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
$2,726 AUD