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Radiant|Natural|GIA

1.30ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 2517871823

Certificate GIA 2517871823

Diamond specifications and retailer prices

From $2,657 SGD
As of November 6, 2026
Save $1,185 SGD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,842 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I 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 2517871823. Listed at 6 retailers as of November 5, 2026, with prices from $2,657 to $3,842, a $1,185 spread on the same certified stone. Blue Nile lists it at $3,842. 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

1.30
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2517871823
Dimensions7.49 × 5.43 × 3.71 mm
L/W Ratio1.38
Top View
7.49 mm5.43 mm1.30 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517871823
Side View
Table 67.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,842 SGD|Low: $2,625 SGD|High: $4,473 SGD|Avg: $3,484 SGD|-0.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$2,657 SGD
Retailer 2$3,153 SGD
Retailer 5$3,219 SGD
Retailer 6$3,321 SGD
Retailer 4$3,688 SGD
Blue Nile$3,842 SGD
Retailer 7$4,473 SGD

11 data points across 7 retailers

6 retailers$2,657 SGD to $3,842 SGD

A
Cheapest Retailer
-
$2,657 SGD
A
Retailer 2
-
$3,153 SGD
View
A
Retailer 3
-
$3,219 SGD
View
A
Retailer 4
-
$3,321 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,688 SGD
View
Most Expensive
A
Blue Nile
24877786 · Nov 5
$3,842 SGD
$2,998 USD
View
5 more retailers have this diamond
Prices start from $2,657 SGDSave up to $1,185 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
1.30ct Radiant
$2,657 SGD