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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5241078555

Certificate GIA 5241078555

Diamond specifications and retailer prices

From €2,750 EUR
HK$24,000 HKD
As of October 31, 2026
Save €3,367 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,338 EUR at NZ Jewellers · As of October 17, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241078555. Listed at 21 retailers as of October 29, 2026, with a 122% 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5241078555
Dimensions6.90 × 6.87 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
6.90 mm6.87 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241078555
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.2%

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: €3,698 EUR|Low: €2,750 EUR|High: €6,158 EUR|Avg: €3,986 EUR|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8€2,750 EUR
Retailer 7€2,866 EUR
Retailer 13€3,185 EUR
Retailer 4€3,343 EUR
Retailer 2€3,357 EUR
Retailer 10€3,511 EUR
Retailer 3€3,638 EUR
Retailer 1€3,698 EUR
Retailer 5€3,901 EUR
Retailer 9€4,117 EUR
Retailer 6€4,472 EUR
Retailer 11€6,065 EUR
Retailer 12€6,117 EUR

27 data points across 13 retailers

21 retailers€2,750 EUR to €6,117 EUR

A
Cheapest Retailer
-
€2,750 EUR
HK$24,000 HKD
A
Retailer 2
-
€2,866 EUR
₹304,892 INR
View
B+
Retailer 3
-
€3,185 EUR
SGD 4,809 SGD
View
B+
Retailer 4
-
€3,256 EUR
$3,638 USD
View
B+
Retailer 5
-
€3,340 EUR
$3,732 USD
View
B+
Retailer 6
-
€3,343 EUR
$3,735 USD
View
B+
Retailer 7
-
€3,357 EUR
$3,751 USD
View
Final sale: no returns
Retailer 8
-
€3,462 EUR
SGD 5,227 SGD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
€3,511 EUR
£3,089 GBP
View
Retailer 10
-
€3,638 EUR
$4,064 USD
View
Price last confirmed 12 days ago
Retailer 11
-
€3,638 EUR
$4,064 USD
View
Price last confirmed 20 days ago
Retailer 12
-
€3,638 EUR
$4,064 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
€3,698 EUR
£3,253 GBP
View
B+
Retailer 14
-
€3,770 EUR
$4,212 USD
View
Retailer 15
-
€3,901 EUR
A$6,704 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
€4,117 EUR
View
Retailer 17
-
€4,198 EUR
$4,690 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
€4,472 EUR
ZAR 80,709 ZAR
View
Retailer 19
-
€6,065 EUR
£5,335 GBP
View
Price last confirmed 10 days ago
B
Retailer 20
-
€6,117 EUR
£5,381 GBP
View
Most Expensive
NZ Jewellers
8e1cc228-1a90-48dd-8d16-6e0c29b4df9c · Oct 17
€6,338 EUR
$7,081 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from €2,750 EURSave up to €3,367 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
€2,750 EUR