CaratHunter
Plans
Radiant|Natural|GIA

1.51ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2215189168

Certificate GIA 2215189168

Diamond specifications and retailer prices

From $15,897 SGD
£9,791 GBP
As of November 2, 2026
Save $7,056 SGD (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $22,952 SGD at MOH London · As of November 1, 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 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 2215189168. Listed at 4 retailers as of November 1, 2026, with prices from $15,897 to $22,952, a $7,056 spread on the same certified stone. MOH London lists it at $22,952. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2215189168
Dimensions8.51 × 5.05 × 3.44 mm
L/W Ratio1.69
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
8.51 mm5.05 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2215189168
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.2%

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 2
Current: $22,952 SGD|Low: $13,499 SGD|High: $23,228 SGD|Avg: $17,424 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$13,499 SGD
Retailer 3$15,897 SGD
Retailer 4$15,986 SGD
Retailer 2$18,512 SGD
MOH London$22,952 SGD

44 data points across 5 retailers

4 retailers$15,897 SGD to $22,952 SGD

B+
Cheapest Retailer
-
$15,897 SGD
£9,791 GBP
Retailer 2
-
$15,986 SGD
A$19,238 AUD
View
Price last confirmed 9 days ago
B
Retailer 3
-
$18,512 SGD
€13,791 EUR
View
Most Expensive
B
MOH London
9113D6DB2 · Nov 1
$22,952 SGD
£14,137 GBP
View
3 more retailers have this diamond
Prices start from $15,897 SGDSave up to $7,056 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+
1.51ct Radiant
$15,897 SGD