Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6565507550

Certificate GIA 6565507550

Diamond specifications and retailer prices

From $3,264 USD
As of November 6, 2026
Save $4,383 USD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,647 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565507550. Listed at 22 retailers as of November 5, 2026, with prices from $3,264 to $7,647, a $4,383 spread on the same certified stone. NZ Jewellers lists it at $7,647. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565507550
Dimensions7.57 × 5.24 × 3.48 mm
L/W Ratio1.44
Girdle conditionPolished
Top View
7.57 mm5.24 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565507550
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.4%

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: Nov 6
Current: $7,647 USD|Low: $3,084 USD|High: $7,647 USD|Avg: $4,430 USD|+2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 7, 2026
Retailer 8$3,264 USD
Retailer 11$3,355 USD
Retailer 22$3,439 USD
Retailer 4$3,457 USD
Retailer 13$3,493 USD
Retailer 12$3,570 USD
Retailer 16$3,662 USD
Retailer 10$3,670 USD
Retailer 6$3,773 USD
Retailer 3$3,795 USD
Retailer 20$3,894 USD
Retailer 9$3,906 USD
Retailer 14$3,927 USD
Retailer 2$4,109 USD
Retailer 7$4,209 USD
Retailer 17$4,258 USD
Retailer 15$4,490 USD
Retailer 18$4,844 USD
Retailer 19$5,355 USD
Retailer 5$6,588 USD
Retailer 21$6,972 USD
NZ Jewellers$7,647 USD

18 data points across 22 retailers

22 retailers$3,264 USD to $7,647 USD

A
Cheapest Retailer
-
$3,264 USD
A
Retailer 2
-
$3,355 USD
View
B+
Retailer 3
-
$3,439 USD
View
A
Retailer 4
-
$3,457 USD
View
A
Retailer 5
-
$3,493 USD
View
A
Retailer 6
-
$3,570 USD
View
B+
Retailer 7
-
$3,662 USD
View
B+
Retailer 8
-
$3,670 USD
View
Final sale: no returns
B+
Retailer 9
-
$3,773 USD
View
B+
Retailer 10
-
$3,795 USD
View
B+
Retailer 11
-
$3,894 USD
View
B+
Retailer 12
-
$3,906 USD
View
Retailer 13
-
$3,927 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$4,109 USD
View
B+
Retailer 15
-
$4,209 USD
View
B+
Retailer 16
-
$4,258 USD
View
Retailer 17
-
$4,490 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$4,844 USD
View
B+
Retailer 19
-
$5,355 USD
View
B
Retailer 20
-
$6,588 USD
View
B
Retailer 21
-
$6,972 USD
View
Most Expensive
B
NZ Jewellers
8e292ed4-27ca-407b-8ce0-f56f7954f340 · Nov 5
$7,647 USD
View
21 more retailers have this diamond
Prices start from $3,264 USDSave up to $4,383 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 Radiant
$3,264 USD