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Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 2527321233

Certificate GIA 2527321233

Diamond specifications and retailer prices

From $4,800 SGD
As of November 5, 2026
Save $4,764 SGD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,564 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two 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 2527321233. Listed at 15 retailers as of November 4, 2026, with prices from $4,800 to $9,564, a $4,764 spread on the same certified stone. MOH London lists it at $9,564. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527321233
Dimensions6.17 × 6.13 × 4.22 mm
L/W Ratio1.01
Top View
6.17 mm6.13 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527321233
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

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 5
Current: $9,564 SGD|Low: $4,155 SGD|High: $9,706 SGD|Avg: $6,237 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 9$4,800 SGD
Retailer 3$4,802 SGD
Retailer 8$4,987 SGD
Retailer 11$5,454 SGD
Retailer 6$5,774 SGD
Retailer 2$5,927 SGD
Retailer 10$6,068 SGD
Retailer 4$6,391 SGD
Retailer 7$6,444 SGD
Retailer 5$7,346 SGD
MOH London$9,564 SGD

44 data points across 11 retailers

15 retailers$4,800 SGD to $9,564 SGD

A
Cheapest Retailer
-
$4,800 SGD
A
Retailer 2
-
$4,802 SGD
View
A
Retailer 3
-
$4,987 SGD
View
Final sale: no returns
A
Retailer 4
-
$5,178 SGD
View
A
Retailer 5
-
$5,429 SGD
View
Retailer 6
-
$5,454 SGD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$5,638 SGD
View
A
Retailer 8
-
$5,774 SGD
View
A
Retailer 9
-
$5,927 SGD
View
Retailer 10
-
$6,068 SGD
View
Price last confirmed 29 days ago
Retailer 11
-
$6,318 SGD
View
Price last confirmed 12 days ago
A
Retailer 12
-
$6,391 SGD
View
A
Retailer 13
-
$6,444 SGD
View
B+
Retailer 14
-
$7,346 SGD
View
Most Expensive
B
MOH London
6C9A6D878 · Nov 4
$9,564 SGD
£5,876 GBP
View
14 more retailers have this diamond
Prices start from $4,800 SGDSave up to $4,764 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
$4,800 SGD