Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1323678673

Certificate GIA 1323678673

Diamond specifications and retailer prices

From $3,296 USD
As of October 30, 2026
Save $4,053 USD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,539 USD at NZ Jewellers · As of September 1, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1323678673. Listed at 19 retailers as of October 30, 2026, with a 123% 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1323678673
Dimensions6.77 × 6.73 × 4.23 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.73 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1323678673
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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: Oct 30
Current: $7,349 USD|Low: $3,129 USD|High: $7,539 USD|Avg: $4,470 USD|-2.5%
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
October 30, 2026
Retailer 17$3,296 USD
Retailer 14$3,300 USD
Retailer 3$3,393 USD
Retailer 4$3,527 USD
Retailer 18$3,817 USD
Retailer 7$3,821 USD
Retailer 8$3,821 USD
Retailer 10$3,904 USD
Retailer 16$3,968 USD
Retailer 5$4,260 USD
Retailer 15$4,260 USD
Retailer 2$4,288 USD
Retailer 6$4,400 USD
Retailer 9$4,409 USD
Retailer 12$4,513 USD
Retailer 19$4,773 USD
Retailer 11$5,149 USD
Retailer 13$7,092 USD
NZ Jewellers$7,349 USD

35 data points across 19 retailers

19 retailers$3,296 USD to $7,349 USD

A
Cheapest Retailer
-
$3,296 USD
A
Retailer 2
-
$3,300 USD
View
B+
Retailer 3
-
$3,393 USD
View
B+
Retailer 4
-
$3,527 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,817 USD
View
B+
Retailer 6
-
$3,821 USD
View
B+
Retailer 7
-
$3,821 USD
View
B+
Retailer 8
-
$3,968 USD
View
B
Retailer 9
-
$4,260 USD
View
B
Retailer 10
-
$4,260 USD
View
B+
Retailer 11
-
$4,288 USD
£3,376 GBP
View
B+
Retailer 12
-
$4,400 USD
View
B+
Retailer 13
-
$4,409 USD
View
B+
Retailer 14
-
$4,513 USD
€4,298 EUR
View
Retailer 15
-
$4,523 USD
View
Price last confirmed 61 days ago
Retailer 16
-
$4,773 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$7,092 USD
£5,584 GBP
View
B
Retailer 18
-
$7,349 USD
View
Most Expensive
NZ Jewellers
5791f86e-e269-472e-ac73-02b147a13033 · Sep 1
$7,539 USD
View
Price last confirmed 59 days ago
18 more retailers have this diamond
Prices start from $3,296 USDSave up to $4,053 USD

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
$3,296 USD