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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5393568057

Certificate GIA 5393568057

Diamond specifications and retailer prices

From $4,698 SGD
HK$28,700 HKD
As of November 1, 2026
Save $6,349 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,047 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two 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 5393568057. Listed at 16 retailers as of October 30, 2026, with prices from $4,698 to $11,047, a $6,349 spread on the same certified stone. NZ Jewellers lists it at $11,047. 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

1.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5393568057
Dimensions7.41 × 5.65 × 3.88 mm
L/W Ratio1.31
Top View
7.41 mm5.65 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5393568057
Side View
Table 66.0%CrownGirdle: SLI-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 1
Current: $11,047 SGD|Low: $4,665 SGD|High: $11,047 SGD|Avg: $6,727 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 2, 2026
Retailer 13$4,698 SGD
Retailer 6$5,288 SGD
Retailer 9$5,530 SGD
Retailer 4$5,623 SGD
Retailer 3$5,852 SGD
Retailer 2$6,185 SGD
Retailer 11$6,305 SGD
Retailer 14$6,341 SGD
Retailer 15$6,341 SGD
Retailer 16$6,341 SGD
Retailer 7$6,420 SGD
Retailer 5$6,535 SGD
Retailer 10$7,173 SGD
Retailer 17$7,317 SGD
Retailer 8$7,716 SGD
Retailer 12$10,099 SGD
NZ Jewellers$11,047 SGD

26 data points across 17 retailers

16 retailers$4,698 SGD to $11,047 SGD

A
Cheapest Retailer
-
$4,698 SGD
HK$28,700 HKD
A
Retailer 2
-
$5,530 SGD
$4,324 USD
View
A
Retailer 3
-
$5,623 SGD
$4,397 USD
View
B+
Retailer 4
-
$5,852 SGD
$4,576 USD
View
Final sale: no returns
Retailer 5
-
$5,981 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$6,185 SGD
£3,808 GBP
View
A
Retailer 7
-
$6,305 SGD
£3,882 GBP
View
B+
Retailer 8
-
$6,341 SGD
$4,958 USD
View
A
Retailer 9
-
$6,341 SGD
$4,958 USD
View
A
Retailer 10
-
$6,341 SGD
$4,958 USD
View
B+
Retailer 11
-
$6,420 SGD
$5,020 USD
View
B+
Retailer 12
-
$6,535 SGD
$5,110 USD
View
B+
Retailer 13
-
$7,173 SGD
€5,342 EUR
View
B+
Retailer 14
-
$7,317 SGD
$5,721 USD
View
B
Retailer 15
-
$10,099 SGD
£6,218 GBP
View
Most Expensive
B
NZ Jewellers
968484e3-63f5-41a0-b601-95c083e8afb6 · Oct 30
$11,047 SGD
$8,638 USD
View
15 more retailers have this diamond
Prices start from $4,698 SGDSave up to $6,349 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
1.51ct Radiant
$4,698 SGD