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Radiant|Natural|GIA

1.20ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 6521400249

Certificate GIA 6521400249

Diamond specifications and retailer prices

From $1,788 SGD
As of November 6, 2026
Save $2,303 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,745 SGD at NZ Jewellers · As of October 17, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6521400249. Listed at 18 retailers as of November 4, 2026, with a 129% 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6521400249
Dimensions7.24 × 5.37 × 3.59 mm
L/W Ratio1.35
Top View
7.24 mm5.37 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521400249
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.9%

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 6
Current: $2,256 SGD|Low: $1,788 SGD|High: $4,172 SGD|Avg: $2,645 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 2$1,788 SGD
Retailer 5$1,878 SGD
Retailer 9$2,235 SGD
Retailer 1$2,256 SGD
Retailer 6$2,272 SGD
Retailer 7$2,490 SGD
Retailer 3$2,517 SGD
Retailer 4$2,599 SGD
Retailer 10$2,858 SGD
Retailer 8$3,182 SGD
Retailer 11$4,091 SGD

28 data points across 11 retailers

18 retailers$1,788 SGD to $4,091 SGD

A
Cheapest Retailer
-
$1,788 SGD
A
Retailer 2
-
$1,878 SGD
View
A
Retailer 3
-
$2,235 SGD
View
A
Retailer 4
-
$2,256 SGD
View
A
Retailer 5
-
$2,261 SGD
View
A
Retailer 6
-
$2,272 SGD
View
Retailer 7
-
$2,356 SGD
View
Price last confirmed 22 days ago
Retailer 8
-
$2,356 SGD
View
Price last confirmed 20 days ago
Retailer 9
-
$2,465 SGD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$2,489 SGD
View
B+
Retailer 11
-
$2,490 SGD
View
B+
Retailer 12
-
$2,517 SGD
View
B+
Retailer 13
-
$2,599 SGD
View
Retailer 14
-
$2,718 SGD
View
Price last confirmed 19 days ago
B+
Retailer 15
-
$2,858 SGD
View
B+
Retailer 16
-
$3,182 SGD
View
B
Retailer 17
-
$4,091 SGD
View
Most Expensive
NZ Jewellers
5544a268-c8f8-424f-a9e6-e1c5fe161a91 · Oct 17
$5,745 SGD
$4,483 USD
View
Price last confirmed 20 days ago
17 more retailers have this diamond
Prices start from $1,788 SGDSave up to $2,303 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
$1,788 SGD