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Radiant|Natural|GIA

1.04ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2506379855

Certificate GIA 2506379855

Diamond specifications and retailer prices

From $4,739 SGD
As of November 6, 2026
Save $5,717 SGD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,457 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural radiant diamond

This 1.04ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2506379855. Listed at 14 retailers as of November 5, 2026, with prices from $4,739 to $10,457, a $5,717 spread on the same certified stone. NZ Jewellers lists it at $10,457. 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

1.04
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2506379855
Dimensions7.38 × 5.11 × 3.18 mm
L/W Ratio1.44
Top View
7.38 mm5.11 mm1.04 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506379855
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,966 SGD|Low: $4,520 SGD|High: $9,674 SGD|Avg: $6,152 SGD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 7$4,739 SGD
Retailer 5$5,019 SGD
Retailer 6$5,438 SGD
Retailer 2$5,822 SGD
Retailer 1$5,966 SGD
Retailer 3$6,753 SGD
Retailer 4$9,533 SGD

45 data points across 7 retailers

14 retailers$4,739 SGD to $10,457 SGD

B+
Cheapest Retailer
-
$4,739 SGD
B+
Retailer 2
-
$4,832 SGD
View
B+
Retailer 3
-
$4,991 SGD
View
B+
Retailer 4
-
$5,015 SGD
View
B+
Retailer 5
-
$5,019 SGD
View
Final sale: no returns
B+
Retailer 6
-
$5,438 SGD
View
B+
Retailer 7
-
$5,438 SGD
View
B+
Retailer 8
-
$5,822 SGD
View
B+
Retailer 9
-
$5,966 SGD
View
B
Retailer 10
-
$6,273 SGD
View
B
Retailer 11
-
$6,307 SGD
View
B
Retailer 12
-
$6,753 SGD
View
B
Retailer 13
-
$9,533 SGD
View
Most Expensive
B
NZ Jewellers
5f7b234c-c8c8-4592-bfb7-20c7b5cc415d · Nov 5
$10,457 SGD
$8,159 USD
View
13 more retailers have this diamond
Prices start from $4,739 SGDSave up to $5,717 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.

B+
1.04ct Radiant
$4,739 SGD