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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6552158299

Certificate GIA 6552158299

Diamond specifications and retailer prices

From €1,913 EUR
HK$16,700 HKD
As of November 1, 2026
Save €3,276 EUR (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €5,321 EUR 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
Colour
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: Nov 1
Current: €2,677 EUR|Low: €1,902 EUR|High: €5,206 EUR|Avg: €2,896 EUR|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10€1,913 EUR
Retailer 5€2,012 EUR
Retailer 2€2,222 EUR
Retailer 9€2,325 EUR
Retailer 3€2,546 EUR
Retailer 8€2,569 EUR
Retailer 6€2,646 EUR
Retailer 1€2,677 EUR
Retailer 4€2,936 EUR
Retailer 7€4,414 EUR
Retailer 11€5,189 EUR

34 data points across 11 retailers

17 retailers€1,913 EUR to €5,189 EUR

A
Cheapest Retailer
-
€1,913 EUR
HK$16,700 HKD
A
Retailer 2
-
€2,012 EUR
₹214,043 INR
View
A
Retailer 3
-
€2,222 EUR
SGD 3,354 SGD
View
A
Retailer 4
-
€2,325 EUR
$2,598 USD
View
Final sale: no returns
A
Retailer 5
-
€2,372 EUR
$2,650 USD
View
Retailer 6
-
€2,546 EUR
$2,844 USD
View
Price last confirmed 34 days ago
Retailer 7
-
€2,546 EUR
$2,844 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
€2,569 EUR
$2,870 USD
View
Retailer 9
-
€2,643 EUR
$2,953 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
€2,646 EUR
$2,956 USD
View
A
Retailer 11
-
€2,664 EUR
SGD 4,022 SGD
View
A
Retailer 12
-
€2,677 EUR
£2,355 GBP
View
B+
Retailer 13
-
€2,936 EUR
View
Retailer 14
-
€2,937 EUR
$3,281 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
€4,414 EUR
£3,883 GBP
View
B
Retailer 16
-
€5,189 EUR
£4,565 GBP
View
Most Expensive
NZ Jewellers
bc9c2125-f823-4257-bc32-7919736c4a44 · Sep 28
€5,321 EUR
$5,945 USD
View
Price last confirmed 35 days ago
16 more retailers have this diamond
Prices start from €1,913 EURSave up to €3,276 EUR

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
€1,913 EUR