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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552780350

Certificate GIA 6552780350

Diamond specifications and retailer prices

From $2,363 SGD
As of November 6, 2026
Save $3,108 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,471 SGD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552780350. Listed at 18 retailers as of November 5, 2026, with prices from $2,363 to $5,471, a $3,108 spread on the same certified stone. NZ Jewellers lists it at $5,471. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552780350
Dimensions6.59 × 4.94 × 3.39 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Indented Natural, Needle, Extra Facet
Top View
6.59 mm4.94 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552780350
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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: Nov 6
Current: $5,471 SGD|Low: $2,363 SGD|High: $5,471 SGD|Avg: $3,052 SGD
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
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 6$2,363 SGD
Retailer 4$2,407 SGD
Retailer 9$2,415 SGD
Retailer 11$2,539 SGD
Retailer 14$2,617 SGD
Retailer 17$2,617 SGD
Retailer 5$2,659 SGD
Retailer 10$2,737 SGD
Retailer 2$2,843 SGD
Retailer 3$2,886 SGD
Retailer 8$2,913 SGD
Retailer 16$3,019 SGD
Retailer 7$3,089 SGD
Retailer 13$3,194 SGD
Retailer 12$3,333 SGD
Retailer 15$4,573 SGD
NZ Jewellers$5,471 SGD

27 data points across 17 retailers

18 retailers$2,363 SGD to $5,471 SGD

A
Cheapest Retailer
-
$2,363 SGD
A
Retailer 2
-
$2,407 SGD
View
A
Retailer 3
-
$2,415 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,539 SGD
View
Retailer 5
-
$2,617 SGD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,617 SGD
View
A
Retailer 7
-
$2,659 SGD
View
A
Retailer 8
-
$2,737 SGD
View
B+
Retailer 9
-
$2,843 SGD
View
B+
Retailer 10
-
$2,886 SGD
View
B+
Retailer 11
-
$2,913 SGD
View
B+
Retailer 12
-
$3,019 SGD
View
B+
Retailer 13
-
$3,089 SGD
View
B+
Retailer 14
-
$3,194 SGD
View
Retailer 15
-
$3,313 SGD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$3,333 SGD
View
B
Retailer 17
-
$4,573 SGD
View
Most Expensive
B
NZ Jewellers
8ffe8412-8051-4d5c-843b-f63e5083e8d0 · Nov 5
$5,471 SGD
$4,269 USD
View
17 more retailers have this diamond
Prices start from $2,363 SGDSave up to $3,108 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
$2,363 SGD