Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6555538418

Certificate GIA 6555538418

Diamond specifications and retailer prices

From $2,105 USD
As of October 29, 2026
10 retailers carry this diamond
Most expensive: $5,204 USD at NZ Jewellers · As of September 21, 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 6555538418. Listed at 10 retailers as of October 29, 2026. 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
FluorescenceFaint
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555538418
Dimensions6.69 × 6.74 × 4.27 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
6.69 mm6.74 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555538418
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $2,869 USD|Low: $1,690 USD|High: $4,368 USD|Avg: $2,731 USD|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 22, 2026
Retailer 4$1,690 USD
Retailer 2$2,105 USD
Retailer 7$2,298 USD
Retailer 6$2,378 USD
Retailer 1$2,869 USD
Retailer 5$3,539 USD
Retailer 3$4,094 USD

28 data points across 7 retailers

10 retailers

Retailer 1
-
$1,690 USD
HK$13,200 HKD
Price last confirmed 7 days ago
A
Retailer 2
-
$2,105 USD
View
Retailer 3
-
$2,378 USD
SGD 3,213 SGD
View
Price last confirmed 11 days ago
Retailer 4
-
$2,407 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$2,561 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$2,869 USD
€2,732 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
$3,539 USD
€3,370 EUR
View
Price last confirmed 13 days ago
Retailer 8
-
$4,094 USD
£3,224 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
$5,032 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
d62713da-db91-486a-9b1b-d5a8a40cc214 · Sep 21
$5,204 USD
View
Price last confirmed 38 days ago
9 more retailers have this diamond
Prices start from $2,105 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
$2,105 USD