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Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 3435538433

Certificate GIA 3435538433

Diamond specifications and retailer prices

From $4,288 SGD
$3,354 USD
As of November 1, 2026
Save $4,111 SGD (49%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,748 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3435538433. Listed at 21 retailers as of November 1, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3435538433
Dimensions6.79 × 6.75 × 4.20 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.79 mm6.75 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3435538433
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.1%

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 1
Current: $5,517 SGD|Low: $3,628 SGD|High: $8,499 SGD|Avg: $5,282 SGD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$3,779 SGD
Retailer 4$4,288 SGD
Retailer 10$4,506 SGD
Retailer 12$4,506 SGD
Retailer 2$4,634 SGD
Retailer 9$5,022 SGD
Retailer 6$5,105 SGD
Retailer 3$5,379 SGD
Retailer 1$5,517 SGD
Retailer 11$5,756 SGD
Retailer 7$6,173 SGD
Retailer 5$8,399 SGD

36 data points across 12 retailers

21 retailers$4,288 SGD to $8,399 SGD

Retailer 1
-
$3,779 SGD
₹281,548 INR
Price last confirmed 8 days ago
A
Retailer 2
-
$4,288 SGD
$3,354 USD
View
B+
Retailer 3
-
$4,419 SGD
$3,457 USD
View
B+
Retailer 4
-
$4,506 SGD
$3,525 USD
View
B+
Retailer 5
-
$4,506 SGD
$3,525 USD
View
B+
Retailer 6
-
$4,634 SGD
$3,625 USD
View
Final sale: no returns
B+
Retailer 7
-
$4,794 SGD
$3,750 USD
View
B+
Retailer 8
-
$5,022 SGD
$3,928 USD
View
Retailer 9
-
$5,022 SGD
$3,928 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
$5,022 SGD
$3,928 USD
View
Retailer 11
-
$5,022 SGD
$3,928 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$5,105 SGD
£3,144 GBP
View
Retailer 13
-
$5,379 SGD
A$6,473 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$5,386 SGD
$4,213 USD
View
B+
Retailer 15
-
$5,517 SGD
€4,110 EUR
View
B+
Retailer 16
-
$5,756 SGD
£3,545 GBP
View
Retailer 17
-
$5,794 SGD
$4,532 USD
View
Price last confirmed 35 days ago
B+
Retailer 18
-
$6,173 SGD
ZAR 78,002 ZAR
View
B
Retailer 19
-
$8,399 SGD
£5,173 GBP
View
Retailer 20
-
$8,748 SGD
$6,843 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
7f1e5df0-464a-43d4-9e8e-0b85559347d1 · Sep 28
$8,748 SGD
$6,843 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from $4,288 SGDSave up to $4,111 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
$4,288 SGD