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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1549993420

Certificate GIA 1549993420

Diamond specifications and retailer prices

From $2,329 SGD
As of November 6, 2026
Save $3,026 SGD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,473 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549993420. Listed at 21 retailers as of November 4, 2026, with a 130% 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549993420
Dimensions6.73 × 6.77 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Cloud, Needle
Top View
6.73 mm6.77 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549993420
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 6
Current: $2,417 SGD|Low: $2,329 SGD|High: $5,428 SGD|Avg: $3,337 SGD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$2,329 SGD
Retailer 1$2,417 SGD
Retailer 8$2,713 SGD
Retailer 3$2,891 SGD
Retailer 4$2,932 SGD
Retailer 10$3,223 SGD
Retailer 5$3,235 SGD
Retailer 6$3,515 SGD
Retailer 7$3,741 SGD
Retailer 9$3,803 SGD
Retailer 11$5,355 SGD

26 data points across 11 retailers

21 retailers$2,329 SGD to $5,355 SGD

A
Cheapest Retailer
-
$2,329 SGD
A
Retailer 2
-
$2,417 SGD
View
A
Retailer 3
-
$2,713 SGD
View
B+
Retailer 4
-
$2,891 SGD
View
B+
Retailer 5
-
$2,905 SGD
View
B+
Retailer 6
-
$2,909 SGD
View
B+
Retailer 7
-
$2,932 SGD
View
Retailer 8
-
$3,066 SGD
View
Price last confirmed 25 days ago
Retailer 9
-
$3,066 SGD
View
Price last confirmed 27 days ago
Retailer 10
-
$3,096 SGD
View
Price last confirmed 39 days ago
B+
Retailer 11
-
$3,223 SGD
View
B+
Retailer 12
-
$3,235 SGD
View
Retailer 13
-
$3,240 SGD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$3,244 SGD
View
B+
Retailer 15
-
$3,515 SGD
View
Retailer 16
-
$3,573 SGD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$3,741 SGD
View
B+
Retailer 18
-
$3,803 SGD
View
B
Retailer 19
-
$5,355 SGD
View
Retailer 20
-
$6,408 SGD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
161a6c3e-d155-4bbf-a6ce-94c9247895ef · Sep 28
$6,473 SGD
$5,051 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from $2,329 SGDSave up to $3,026 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 Round
$2,329 SGD