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Radiant|Natural|GIA

1.56ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2237400920

Certificate GIA 2237400920

Diamond specifications and retailer prices

From $10,781 SGD
As of November 4, 2026
Save $6,980 SGD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $19,005 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.56ct natural radiant diamond

This 1.56ct natural radiant sits in the one-and-a-half to two carat band, graded I 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 2237400920. Listed at 8 retailers as of November 4, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.56
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2237400920
Dimensions7.31 × 6.16 × 4.22 mm
L/W Ratio1.19
Culet sizeNone
Top View
7.31 mm6.16 mm1.56 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2237400920
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $19,005 SGD|Low: $11,402 SGD|High: $19,005 SGD|Avg: $14,347 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$11,402 SGD
Retailer 6$12,353 SGD
Retailer 2$12,471 SGD
Retailer 5$12,543 SGD
Retailer 8$14,254 SGD
Retailer 3$14,286 SGD
Retailer 4$17,760 SGD
NZ Jewellers$19,005 SGD

45 data points across 8 retailers

8 retailers$10,781 SGD to $17,760 SGD

B+
Cheapest Retailer
-
$10,781 SGD
B
Retailer 2
-
$12,353 SGD
View
B
Retailer 3
-
$12,471 SGD
View
B
Retailer 4
-
$12,543 SGD
View
B
Retailer 5
-
$14,254 SGD
View
B
Retailer 6
-
$14,286 SGD
View
B
Retailer 7
-
$17,760 SGD
View
Most Expensive
NZ Jewellers
30ab24eb-27e8-450a-ba34-a86697730a00 · Oct 30
$19,005 SGD
$14,829 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $10,781 SGDSave up to $6,980 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+
1.56ct Radiant
$10,781 SGD