Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6552158299

Certificate GIA 6552158299

Diamond specifications and retailer prices

From $2,138 USD
HK$16,700 HKD
As of October 31, 2026
Save $3,660 USD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,945 USD at NZ Jewellers · As of September 28, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552158299. Listed at 17 retailers as of October 28, 2026, with a 171% 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552158299
Dimensions6.69 × 6.78 × 4.26 mm
L/W Ratio1.01
Top View
6.69 mm6.78 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552158299
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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 31
Current: $2,598 USD|Low: $2,125 USD|High: $5,817 USD|Avg: $3,330 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3$2,138 USD
Retailer 2$2,248 USD
Retailer 8$2,482 USD
Retailer 1$2,598 USD
Retailer 9$2,844 USD
Retailer 4$2,991 USD
Retailer 5$3,329 USD
Retailer 7$4,989 USD
Retailer 6$5,798 USD

34 data points across 9 retailers

17 retailers$2,138 USD to $5,798 USD

A
Cheapest Retailer
-
$2,138 USD
HK$16,700 HKD
A
Retailer 2
-
$2,248 USD
₹214,090 INR
View
A
Retailer 3
-
$2,482 USD
SGD 3,354 SGD
View
A
Retailer 4
-
$2,598 USD
View
Final sale: no returns
A
Retailer 5
-
$2,650 USD
View
Retailer 6
-
$2,844 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$2,844 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$2,900 USD
View
Retailer 9
-
$2,953 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$2,976 USD
SGD 4,022 SGD
View
A
Retailer 11
-
$2,986 USD
View
A
Retailer 12
-
$2,991 USD
£2,355 GBP
View
Retailer 13
-
$3,281 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$3,329 USD
€3,170 EUR
View
B
Retailer 15
-
$4,989 USD
£3,928 GBP
View
B
Retailer 16
-
$5,798 USD
£4,565 GBP
View
Most Expensive
NZ Jewellers
bc9c2125-f823-4257-bc32-7919736c4a44 · Sep 28
$5,945 USD
View
Price last confirmed 33 days ago
16 more retailers have this diamond
Prices start from $2,138 USDSave up to $3,660 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
$2,138 USD