Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245028187

Certificate GIA 2245028187

Diamond specifications and retailer prices

From $3,079 USD
SGD 4,161 SGD
As of October 26, 2026
Save $458 USD (13%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,628 USD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245028187. Listed at 8 retailers as of October 26, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245028187
Dimensions6.75 × 4.24 × 4.24 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.75 mm4.24 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245028187
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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 26
Current: $3,405 USD|Low: $2,161 USD|High: $5,175 USD|Avg: $3,501 USD|-7.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 26, 2026
Retailer 8$2,161 USD
Retailer 4$2,253 USD
Retailer 2$2,781 USD
Retailer 6$3,079 USD
Retailer 5$3,400 USD
Retailer 1$3,405 USD
Retailer 3$3,537 USD
Retailer 7$4,312 USD
Wholesale Diamonds Direct$4,628 USD

27 data points across 9 retailers

8 retailers$3,079 USD to $3,537 USD

Retailer 1
-
$2,253 USD
SGD 3,044 SGD
Price last confirmed 7 days ago
Retailer 2
-
$2,781 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$3,079 USD
SGD 4,161 SGD
View
Retailer 4
-
$3,400 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$3,405 USD
€3,243 EUR
View
B+
Retailer 6
-
$3,537 USD
£2,785 GBP
View
Retailer 7
-
$4,312 USD
View
Price last confirmed 7 days ago
Most Expensive
Wholesale Diamonds Direct
268864379 · Oct 23
$4,628 USD
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from $3,079 USDSave up to $458 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
$3,079 USD