Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7521547893

Certificate GIA 7521547893

Diamond specifications and retailer prices

From $3,672 SGD
$2,872 USD
As of October 30, 2026
Save $4,281 SGD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,953 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521547893. Listed at 23 retailers as of October 30, 2026, with prices from $3,672 to $7,953, a $4,281 spread on the same certified stone. NZ Jewellers lists it at $7,953. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7521547893
Dimensions6.77 × 6.82 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Feather, Needle
Top View
6.77 mm6.82 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521547893
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: Oct 30
Current: $7,953 SGD|Low: $3,499 SGD|High: $7,953 SGD|Avg: $4,793 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 14$3,672 SGD
Retailer 5$3,752 SGD
Retailer 3$3,817 SGD
Retailer 6$3,868 SGD
Retailer 17$4,001 SGD
Retailer 8$4,008 SGD
Retailer 7$4,136 SGD
Retailer 22$4,136 SGD
Retailer 21$4,294 SGD
Retailer 18$4,406 SGD
Retailer 12$4,444 SGD
Retailer 19$4,658 SGD
Retailer 11$4,692 SGD
Retailer 16$4,692 SGD
Retailer 13$4,772 SGD
Retailer 15$4,845 SGD
Retailer 4$4,890 SGD
Retailer 10$4,982 SGD
Retailer 9$5,172 SGD
Retailer 23$5,301 SGD
Retailer 20$5,312 SGD
Retailer 2$5,611 SGD
Retailer 24$7,675 SGD
NZ Jewellers$7,953 SGD

28 data points across 24 retailers

23 retailers$3,672 SGD to $7,953 SGD

A
Cheapest Retailer
-
$3,672 SGD
$2,872 USD
Retailer 2
-
$3,752 SGD
$2,935 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$3,817 SGD
$2,986 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,868 SGD
$3,026 USD
View
B+
Retailer 5
-
$4,008 SGD
$3,135 USD
View
Retailer 6
-
$4,136 SGD
$3,235 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$4,136 SGD
$3,235 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$4,294 SGD
$3,359 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$4,406 SGD
£2,713 GBP
View
B+
Retailer 10
-
$4,444 SGD
$3,476 USD
View
Retailer 11
-
$4,658 SGD
£2,869 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$4,692 SGD
$3,670 USD
View
B+
Retailer 13
-
$4,692 SGD
$3,670 USD
View
B
Retailer 14
-
$4,772 SGD
$3,733 USD
View
B
Retailer 15
-
$4,845 SGD
$3,790 USD
View
Retailer 16
-
$4,890 SGD
A$5,884 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$4,982 SGD
$3,897 USD
View
Retailer 18
-
$5,172 SGD
$4,046 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$5,301 SGD
£3,265 GBP
View
Retailer 20
-
$5,312 SGD
€3,957 EUR
View
Price last confirmed 9 days ago
B
Retailer 21
-
$5,611 SGD
ZAR 70,907 ZAR
View
Retailer 22
-
$7,675 SGD
£4,727 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
655235fe-fedf-4e3c-8fa2-68ce32aef74c · Oct 30
$7,953 SGD
$6,221 USD
View
22 more retailers have this diamond
Prices start from $3,672 SGDSave up to $4,281 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
$3,672 SGD