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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5556716132

Certificate GIA 5556716132

Diamond specifications and retailer prices

From $1,870 SGD
As of November 6, 2026
Save $2,508 SGD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,521 SGD at NZ Jewellers · As of October 11, 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 5556716132. Listed at 23 retailers as of November 4, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556716132
Dimensions6.71 × 5.08 × 3.49 mm
L/W Ratio1.32
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
6.71 mm5.08 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556716132
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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: Nov 6
Current: $2,409 SGD|Low: $1,853 SGD|High: $5,558 SGD|Avg: $2,921 SGD|-2.8%
Retailer 1
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
November 7, 2026
Retailer 14$1,870 SGD
Retailer 9$1,975 SGD
Retailer 5$2,312 SGD
Retailer 4$2,336 SGD
Retailer 1$2,409 SGD
Retailer 6$2,412 SGD
Retailer 11$2,449 SGD
Retailer 7$2,609 SGD
Retailer 3$2,681 SGD
Retailer 8$2,721 SGD
Retailer 15$2,763 SGD
Retailer 12$3,058 SGD
Retailer 10$3,403 SGD
Retailer 13$4,378 SGD
Retailer 2$5,508 SGD

27 data points across 15 retailers

23 retailers$1,870 SGD to $4,378 SGD

A
Cheapest Retailer
-
$1,870 SGD
A
Retailer 2
-
$1,975 SGD
View
A
Retailer 3
-
$2,312 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,336 SGD
View
A
Retailer 5
-
$2,409 SGD
View
A
Retailer 6
-
$2,412 SGD
View
A
Retailer 7
-
$2,449 SGD
View
B+
Retailer 8
-
$2,489 SGD
View
A
Retailer 9
-
$2,609 SGD
View
Retailer 10
-
$2,641 SGD
View
Price last confirmed 26 days ago
Retailer 11
-
$2,641 SGD
View
Price last confirmed 26 days ago
B+
Retailer 12
-
$2,681 SGD
View
B+
Retailer 13
-
$2,705 SGD
View
B+
Retailer 14
-
$2,721 SGD
View
B+
Retailer 15
-
$2,763 SGD
View
Retailer 16
-
$2,781 SGD
View
Price last confirmed 37 days ago
Retailer 17
-
$3,048 SGD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$3,058 SGD
View
Retailer 19
-
$3,277 SGD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$3,403 SGD
View
B
Retailer 21
-
$4,378 SGD
View
Retailer 22
-
$5,508 SGD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
7e379f26-444b-4a28-a6e6-56d14ca77333 · Oct 11
$5,521 SGD
$4,308 USD
View
Price last confirmed 26 days ago
22 more retailers have this diamond
Prices start from $1,870 SGDSave up to $2,508 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
$1,870 SGD