Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2527585822

Certificate GIA 2527585822

Diamond specifications and retailer prices

From $4,784 CAD
$3,425 USD
As of October 25, 2026
Save $4,977 CAD (51%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,663 CAD 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 25, 2026, with a 104% 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $5,907 CAD|Low: $4,265 CAD|High: $9,866 CAD|Avg: $6,628 CAD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7$4,784 CAD
Retailer 8$5,118 CAD
Retailer 3$5,567 CAD
Retailer 1$5,907 CAD
Retailer 2$6,222 CAD
Retailer 4$6,523 CAD
Retailer 9$6,528 CAD
Retailer 5$7,453 CAD
Retailer 6$9,761 CAD

43 data points across 9 retailers

21 retailers$4,784 CAD to $9,761 CAD

A
Cheapest Retailer
-
$4,784 CAD
$3,425 USD
A
Retailer 2
-
$4,879 CAD
$3,493 USD
View
A
Retailer 3
-
$5,118 CAD
$3,664 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,287 CAD
$3,785 USD
View
B+
Retailer 5
-
$5,448 CAD
$3,900 USD
View
Retailer 6
-
$5,544 CAD
$3,969 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$5,544 CAD
$3,969 USD
View
Price last confirmed 31 days ago
B+
Retailer 8
-
$5,567 CAD
A$6,131 AUD
View
B+
Retailer 9
-
$5,907 CAD
£3,329 GBP
View
B+
Retailer 10
-
$6,222 CAD
£3,507 GBP
View
B+
Retailer 11
-
$6,258 CAD
$4,480 USD
View
B+
Retailer 12
-
$6,258 CAD
$4,480 USD
View
Retailer 13
-
$6,398 CAD
$4,580 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$6,445 CAD
$4,614 USD
View
B+
Retailer 15
-
$6,468 CAD
$4,630 USD
View
B+
Retailer 16
-
$6,523 CAD
€4,447 EUR
View
Retailer 17
-
$6,528 CAD
A$7,190 AUD
View
Price last confirmed 21 days ago
Retailer 18
-
$6,923 CAD
$4,956 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$7,453 CAD
ZAR 86,191 ZAR
View
B
Retailer 20
-
$9,761 CAD
£5,502 GBP
View
Most Expensive
NZ Jewellers
edb8209f-f13d-4790-8314-98fb76eb4070 · Sep 28
$10,663 CAD
$7,633 USD
View
Price last confirmed 32 days ago
20 more retailers have this diamond
Prices start from $4,784 CADSave up to $4,977 CAD

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
$4,784 CAD