Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2527585822

Certificate GIA 2527585822

Diamond specifications and retailer prices

From €3,127 EUR
$3,493 USD
As of October 30, 2026
Save €3,120 EUR (50%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,832 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527585822. Listed at 21 retailers as of October 30, 2026, with a 100% 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2527585822
Dimensions6.82 × 6.80 × 4.22 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.82 mm6.80 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2527585822
Side View
Table 58.0%Crown 34.5°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 62.1%

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 30
Current: €3,773 EUR|Low: €2,733 EUR|High: €6,322 EUR|Avg: €4,242 EUR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7€3,066 EUR
Retailer 4€3,253 EUR
Retailer 8€3,280 EUR
Retailer 1€3,773 EUR
Retailer 3€3,987 EUR
Retailer 6€4,179 EUR
Retailer 9€4,183 EUR
Retailer 5€4,821 EUR
Retailer 2€6,247 EUR

42 data points across 9 retailers

21 retailers€3,127 EUR to €6,247 EUR

A
Retailer 1
-
€3,066 EUR
$3,425 USD
Price last confirmed 7 days ago
A
Retailer 2
-
€3,127 EUR
$3,493 USD
View
A
Retailer 3
-
€3,253 EUR
A$5,591 AUD
View
A
Retailer 4
-
€3,280 EUR
$3,664 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,388 EUR
$3,785 USD
View
B+
Retailer 6
-
€3,491 EUR
$3,900 USD
View
Retailer 7
-
€3,553 EUR
$3,969 USD
View
Price last confirmed 30 days ago
Retailer 8
-
€3,553 EUR
$3,969 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
€3,773 EUR
£3,319 GBP
View
B+
Retailer 10
-
€3,987 EUR
£3,507 GBP
View
B+
Retailer 11
-
€4,010 EUR
$4,480 USD
View
B+
Retailer 12
-
€4,010 EUR
$4,480 USD
View
Retailer 13
-
€4,100 EUR
$4,580 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
€4,130 EUR
$4,614 USD
View
B+
Retailer 15
-
€4,144 EUR
$4,630 USD
View
B+
Retailer 16
-
€4,179 EUR
View
Retailer 17
-
€4,183 EUR
A$7,190 AUD
View
Price last confirmed 22 days ago
Retailer 18
-
€4,436 EUR
$4,956 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
€4,821 EUR
ZAR 87,004 ZAR
View
B
Retailer 20
-
€6,247 EUR
£5,495 GBP
View
Most Expensive
NZ Jewellers
edb8209f-f13d-4790-8314-98fb76eb4070 · Sep 28
€6,832 EUR
$7,633 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from €3,127 EURSave up to €3,120 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
€3,127 EUR