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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559756383

Certificate GIA 1559756383

Diamond specifications and retailer prices

From $2,361 USD
SGD 3,190 SGD
As of October 29, 2026
Save $2,481 USD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,842 USD at Wholesale Diamonds Direct · As of October 26, 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 1559756383. Listed at 12 retailers as of October 26, 2026, with prices from $2,361 to $4,842, a $2,481 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,842. 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 angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559756383
Dimensions6.71 × 4.25 × 4.25 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.71 mm4.25 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559756383
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 29
Current: $3,131 USD|Low: $2,361 USD|High: $5,133 USD|Avg: $3,590 USD|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 29, 2026
Retailer 7$2,361 USD
Retailer 6$2,855 USD
Retailer 4$2,890 USD
Retailer 1$3,131 USD
Retailer 10$3,228 USD
Retailer 8$3,260 USD
Retailer 9$3,542 USD
Retailer 3$3,566 USD
Retailer 5$3,670 USD
Retailer 2$4,520 USD
Wholesale Diamonds Direct$4,842 USD

44 data points across 11 retailers

12 retailers$2,361 USD to $4,842 USD

A
Cheapest Retailer
-
$2,361 USD
SGD 3,190 SGD
A
Retailer 2
-
$2,855 USD
View
A
Retailer 3
-
$2,890 USD
View
A
Retailer 4
-
$3,131 USD
£2,465 GBP
View
A
Retailer 5
-
$3,228 USD
SGD 4,362 SGD
View
A
Retailer 6
-
$3,260 USD
View
B+
Retailer 7
-
$3,542 USD
View
B+
Retailer 8
-
$3,566 USD
€3,396 EUR
View
B+
Retailer 9
-
$3,670 USD
£2,890 GBP
View
B+
Retailer 10
-
$3,996 USD
View
B+
Retailer 11
-
$4,520 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262900585 · Oct 26
$4,842 USD
View
11 more retailers have this diamond
Prices start from $2,361 USDSave up to $2,481 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
$2,361 USD