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Radiant|Natural|GIA

1.00ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555703627

Certificate GIA 1555703627

Diamond specifications and retailer prices

From $1,896 SGD
₹141,239 INR
As of October 31, 2026
Save $4,257 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,153 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555703627. Listed at 14 retailers as of October 30, 2026, with prices from $1,896 to $6,153, a $4,257 spread on the same certified stone. NZ Jewellers lists it at $6,153. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555703627
Dimensions7.26 × 4.93 × 3.17 mm
L/W Ratio1.47
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Cloud, Indented Natural, Needle
Top View
7.26 mm4.93 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555703627
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.3%

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 31
Current: $6,153 SGD|Low: $1,896 SGD|High: $6,226 SGD|Avg: $2,861 SGD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 10$1,896 SGD
Retailer 6$1,990 SGD
Retailer 14$2,212 SGD
Retailer 11$2,279 SGD
Retailer 7$2,508 SGD
Retailer 4$2,522 SGD
Retailer 5$2,639 SGD
Retailer 2$2,684 SGD
Retailer 9$2,744 SGD
Retailer 3$2,783 SGD
Retailer 12$2,911 SGD
Retailer 13$3,209 SGD
Retailer 8$4,419 SGD
NZ Jewellers$6,153 SGD

32 data points across 14 retailers

14 retailers$1,896 SGD to $6,153 SGD

A
Cheapest Retailer
-
$1,896 SGD
₹141,239 INR
A
Retailer 2
-
$1,990 SGD
$1,557 USD
View
Final sale: no returns
A
Retailer 3
-
$2,212 SGD
$1,730 USD
View
A
Retailer 4
-
$2,279 SGD
$1,783 USD
View
A
Retailer 5
-
$2,508 SGD
$1,962 USD
View
B+
Retailer 6
-
$2,522 SGD
$1,973 USD
View
B+
Retailer 7
-
$2,639 SGD
$2,064 USD
View
B+
Retailer 8
-
$2,684 SGD
$2,100 USD
View
B+
Retailer 9
-
$2,744 SGD
£1,690 GBP
View
B+
Retailer 10
-
$2,783 SGD
£1,714 GBP
View
B+
Retailer 11
-
$2,911 SGD
$2,277 USD
View
B+
Retailer 12
-
$3,209 SGD
€2,391 EUR
View
B
Retailer 13
-
$4,419 SGD
£2,722 GBP
View
Most Expensive
B
NZ Jewellers
bc946f50-f84c-488c-b398-aedc844649b0 · Oct 30
$6,153 SGD
$4,813 USD
View
13 more retailers have this diamond
Prices start from $1,896 SGDSave up to $4,257 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
$1,896 SGD