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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2527616153

Certificate GIA 2527616153

Diamond specifications and retailer prices

From $3,904 SGD
$3,053 USD
As of October 28, 2026
Save $4,947 SGD (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $8,851 SGD at NZ Jewellers · As of October 27, 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 2527616153. Listed at 27 retailers as of October 27, 2026, with prices from $3,904 to $8,851, a $4,947 spread on the same certified stone. NZ Jewellers lists it at $8,851. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.84°
Pavilion angle33.19°
OriginNatural
Grading LabGIA
CertificateGIA 2527616153
Dimensions7.11 × 5.67 × 4.00 mm
L/W Ratio1.25
Top View
7.11 mm5.67 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527616153
Side View
Table 68.0%Crown 48.84°Girdle: VTH-ETHPavilion 33.19°Culet: NoneDepth 70.4%

Caratlytics Score

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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: Oct 28
Current: $8,851 SGD|Low: $3,430 SGD|High: $9,094 SGD|Avg: $5,159 SGD|-2.7%
NZ Jewellers
Retailer 2
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Retailer 11
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Retailer 19
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
October 29, 2026
Retailer 7$3,904 SGD
Retailer 6$4,003 SGD
Retailer 2$4,004 SGD
Retailer 4$4,031 SGD
Retailer 10$4,085 SGD
Retailer 19$4,249 SGD
Retailer 12$4,577 SGD
Retailer 11$4,603 SGD
Retailer 25$4,603 SGD
Retailer 23$4,607 SGD
Retailer 18$4,614 SGD
Retailer 26$4,664 SGD
Retailer 27$4,779 SGD
Retailer 14$4,920 SGD
Retailer 21$4,971 SGD
Retailer 5$5,006 SGD
Retailer 16$5,026 SGD
Retailer 17$5,104 SGD
Retailer 22$5,165 SGD
Retailer 3$5,205 SGD
Retailer 15$5,205 SGD
Retailer 8$5,310 SGD
Retailer 9$5,384 SGD
Retailer 13$5,598 SGD
Retailer 20$7,341 SGD
Retailer 24$8,508 SGD
NZ Jewellers$8,851 SGD

30 data points across 27 retailers

27 retailers$3,904 SGD to $8,851 SGD

A
Cheapest Retailer
-
$3,904 SGD
$3,053 USD
A
Retailer 2
-
$4,003 SGD
$3,130 USD
View
A
Retailer 3
-
$4,004 SGD
$3,131 USD
View
A
Retailer 4
-
$4,031 SGD
$3,152 USD
View
A
Retailer 5
-
$4,085 SGD
$3,194 USD
View
A
Retailer 6
-
$4,577 SGD
$3,579 USD
View
Retailer 7
-
$4,603 SGD
$3,599 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$4,603 SGD
$3,599 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$4,607 SGD
$3,603 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$4,614 SGD
CA$5,011 CAD
View
Retailer 11
-
$4,664 SGD
$3,647 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$4,779 SGD
$3,737 USD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$4,903 SGD
A$5,898 AUD
View
A
Retailer 14
-
$4,920 SGD
$3,847 USD
View
A
Retailer 15
-
$4,971 SGD
£3,060 GBP
View
Retailer 16
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$5,006 SGD
$3,914 USD
View
Price last confirmed 12 days ago
A
Retailer 17
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$5,026 SGD
$3,930 USD
View
A
Retailer 18
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$5,104 SGD
$3,991 USD
View
A
Retailer 19
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$5,165 SGD
£3,180 GBP
View
A
Retailer 20
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$5,205 SGD
$4,070 USD
View
A
Retailer 21
-
$5,205 SGD
$4,070 USD
View
A
Retailer 22
-
$5,310 SGD
$4,152 USD
View
A
Retailer 23
-
$5,384 SGD
$4,210 USD
View
A
Retailer 24
-
$5,598 SGD
€4,169 EUR
View
B+
Retailer 25
-
$7,341 SGD
$5,740 USD
View
Retailer 26
-
$8,508 SGD
£5,238 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
587b9d6c-140b-4667-b65b-2a937575911c · Oct 27
$8,851 SGD
$6,921 USD
View
26 more retailers have this diamond
Prices start from $3,904 SGDSave up to $4,947 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
$3,904 SGD