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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 $2,455 SGD
As of October 29, 2026
Save $2,080 SGD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,535 SGD 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 $2,455 to $4,535, a $2,080 spread on the same certified stone. Helzberg Diamonds lists it at $4,535. 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: $4,535 SGD|Low: $2,508 SGD|High: $4,535 SGD|Avg: $3,195 SGD
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$2,508 SGD
Retailer 5$2,530 SGD
Retailer 4$2,570 SGD
Retailer 7$2,755 SGD
Retailer 2$2,793 SGD
Retailer 6$3,009 SGD
Retailer 9$3,215 SGD
Retailer 3$3,565 SGD
Retailer 10$4,173 SGD
Helzberg Diamonds$4,535 SGD

16 data points across 10 retailers

11 retailers$2,455 SGD to $4,535 SGD

A
Cheapest Retailer
-
$2,455 SGD
A
Retailer 2
-
$2,508 SGD
$1,957 USD
View
A
Retailer 3
-
$2,530 SGD
$1,974 USD
View
A
Retailer 4
-
$2,570 SGD
$2,005 USD
View
A
Retailer 5
-
$2,755 SGD
View
A
Retailer 6
-
$2,793 SGD
£1,716 GBP
View
A
Retailer 7
-
$3,009 SGD
$2,348 USD
View
A
Retailer 8
-
$3,215 SGD
$2,508 USD
View
B+
Retailer 9
-
$3,565 SGD
€2,649 EUR
View
B+
Retailer 10
-
$4,173 SGD
$3,256 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGPJJHK · Oct 29
$4,535 SGD
$3,538 USD
View
10 more retailers have this diamond
Prices start from $2,455 SGDSave up to $2,080 SGD

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
$2,455 SGD