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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5231970791

Certificate GIA 5231970791

Diamond specifications and retailer prices

From $2,657 SGD
As of November 5, 2026
Save $4,884 SGD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,541 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-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 5231970791. Listed at 8 retailers as of November 5, 2026, with prices from $2,657 to $7,541, a $4,884 spread on the same certified stone. NZ Jewellers lists it at $7,541. 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

1.20
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle60.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231970791
Dimensions7.10 × 5.34 × 3.67 mm
L/W Ratio1.33
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
7.10 mm5.34 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231970791
Side View
Table 67.0%CrownGirdle: ThickPavilion 60.33°Culet: NoneDepth 68.7%

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 5
Current: $7,541 SGD|Low: $2,657 SGD|High: $8,092 SGD|Avg: $4,468 SGD|+10.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4$2,657 SGD
Retailer 7$3,433 SGD
Retailer 5$3,608 SGD
Retailer 3$3,696 SGD
Retailer 2$3,746 SGD
Retailer 8$3,905 SGD
Retailer 6$6,368 SGD
NZ Jewellers$7,541 SGD

33 data points across 8 retailers

8 retailers$2,657 SGD to $7,541 SGD

A
Cheapest Retailer
-
$2,657 SGD
B+
Retailer 2
-
$3,433 SGD
View
Final sale: no returns
B+
Retailer 3
-
$3,608 SGD
View
B+
Retailer 4
-
$3,696 SGD
View
B+
Retailer 5
-
$3,746 SGD
View
B
Retailer 6
-
$3,905 SGD
View
B
Retailer 7
-
$6,368 SGD
View
Most Expensive
B
NZ Jewellers
823fe09c-94bc-410d-a984-a81c7c49cc42 · Nov 5
$7,541 SGD
$5,884 USD
View
7 more retailers have this diamond
Prices start from $2,657 SGDSave up to $4,884 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
1.20ct Radiant
$2,657 SGD