Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6515997341

Certificate GIA 6515997341

Diamond specifications and retailer prices

From $3,043 USD
As of October 30, 2026
Save $1,131 USD (27%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,548 USD at NZ Jewellers · As of October 20, 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 6515997341. Listed at 23 retailers as of October 30, 2026, with a 37% 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 angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6515997341
Dimensions6.82 × 6.78 × 4.19 mm
L/W Ratio1.01
Star length50%
Top View
6.82 mm6.78 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515997341
Side View
Table 58.0%Crown 34.5°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,548 USD|Low: $2,451 USD|High: $5,548 USD|Avg: $3,405 USD
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
October 31, 2026
Retailer 5$2,526 USD
Retailer 6$2,602 USD
Retailer 9$2,625 USD
Retailer 3$2,737 USD
Retailer 11$2,885 USD
Retailer 12$2,996 USD
Retailer 14$3,043 USD
Retailer 4$3,067 USD
Retailer 7$3,099 USD
Retailer 8$3,158 USD
Retailer 17$3,500 USD
Retailer 19$3,507 USD
Retailer 20$3,518 USD
Retailer 13$3,880 USD
Retailer 15$3,880 USD
Retailer 2$3,930 USD
Retailer 18$4,010 USD
Retailer 16$4,174 USD
Retailer 10$5,354 USD
NZ Jewellers$5,548 USD

32 data points across 20 retailers

23 retailers$3,043 USD to $4,174 USD

Retailer 1
-
$2,602 USD
Price last confirmed 10 days ago
Retailer 2
-
$2,625 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$2,635 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$2,737 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$2,885 USD
View
Price last confirmed 44 days ago
Retailer 6
-
$2,885 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$2,996 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
$3,043 USD
View
Retailer 9
-
$3,067 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$3,099 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$3,158 USD
View
Price last confirmed 11 days ago
Retailer 12
-
$3,329 USD
View
Price last confirmed 44 days ago
B+
Retailer 13
-
$3,500 USD
£2,756 GBP
View
Retailer 14
-
$3,507 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$3,518 USD
£2,770 GBP
View
Price last confirmed 8 days ago
B
Retailer 16
-
$3,880 USD
View
B
Retailer 17
-
$3,880 USD
View
B
Retailer 18
-
$3,930 USD
£3,094 GBP
View
B
Retailer 19
-
$4,010 USD
View
B
Retailer 20
-
$4,174 USD
€3,975 EUR
View
Retailer 21
-
$5,354 USD
£4,216 GBP
View
Price last confirmed 11 days ago
Retailer 22
-
$5,548 USD
View
Price last confirmed 44 days ago
Most Expensive
NZ Jewellers
538015a3-d15f-4a8d-b96d-260a1723b8b1 · Oct 20
$5,548 USD
View
Price last confirmed 11 days ago
22 more retailers have this diamond
Prices start from $3,043 USDSave up to $1,131 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.

B+
1.20ct Round
$3,043 USD