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Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2538469749

Certificate GIA 2538469749

Diamond specifications and retailer prices

From $3,609 SGD
As of November 6, 2026
Save $4,237 SGD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,293 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538469749. Listed at 22 retailers as of November 2, 2026, with a 117% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2538469749
Dimensions6.85 × 6.81 × 4.21 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.85 mm6.81 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538469749
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.6%

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: $8,293 SGD|Low: $3,609 SGD|High: $8,325 SGD|Avg: $5,335 SGD|+2.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$3,609 SGD
Retailer 6$3,769 SGD
Retailer 2$4,213 SGD
Retailer 3$4,245 SGD
Retailer 10$4,329 SGD
Retailer 5$4,873 SGD
Retailer 11$5,025 SGD
Retailer 4$5,470 SGD
Retailer 8$5,766 SGD
Retailer 7$7,846 SGD
Queensmith$8,293 SGD

33 data points across 11 retailers

22 retailers$3,609 SGD to $7,846 SGD

A
Cheapest Retailer
-
$3,609 SGD
A
Retailer 2
-
$3,769 SGD
View
B+
Retailer 3
-
$4,213 SGD
View
B+
Retailer 4
-
$4,245 SGD
View
Retailer 5
-
$4,284 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,329 SGD
View
Final sale: no returns
B+
Retailer 7
-
$4,397 SGD
View
B+
Retailer 8
-
$4,402 SGD
View
Retailer 9
-
$4,555 SGD
View
Price last confirmed 10 days ago
Retailer 10
-
$4,692 SGD
View
Price last confirmed 25 days ago
Retailer 11
-
$4,692 SGD
View
Price last confirmed 39 days ago
B+
Retailer 12
-
$4,703 SGD
View
B+
Retailer 13
-
$4,873 SGD
View
B
Retailer 14
-
$4,878 SGD
View
Retailer 15
-
$5,025 SGD
View
Price last confirmed 29 days ago
Retailer 16
-
$5,413 SGD
View
Price last confirmed 38 days ago
B+
Retailer 17
-
$5,470 SGD
View
B
Retailer 18
-
$5,766 SGD
View
B
Retailer 19
-
$7,846 SGD
View
Retailer 20
-
$8,174 SGD
View
Price last confirmed 34 days ago
Retailer 21
-
$8,174 SGD
View
Price last confirmed 41 days ago
Most Expensive
Queensmith
2538469749 · Oct 28
$8,293 SGD
£5,095 GBP
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $3,609 SGDSave up to $4,237 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
$3,609 SGD