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Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6565507550

Certificate GIA 6565507550

Diamond specifications and retailer prices

From $5,888 NZD
As of November 6, 2026
Save $7,906 NZD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,794 NZD 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 $5,888 to $13,794, a $7,906 spread on the same certified stone. NZ Jewellers lists it at $13,794. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $13,794 NZD|Low: $5,563 NZD|High: $13,794 NZD|Avg: $7,992 NZD|+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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 7, 2026
Retailer 8$5,888 NZD
Retailer 11$6,052 NZD
Retailer 22$6,204 NZD
Retailer 4$6,236 NZD
Retailer 13$6,301 NZD
Retailer 12$6,440 NZD
Retailer 16$6,606 NZD
Retailer 10$6,620 NZD
Retailer 6$6,806 NZD
Retailer 3$6,846 NZD
Retailer 20$7,024 NZD
Retailer 9$7,046 NZD
Retailer 14$7,084 NZD
Retailer 2$7,412 NZD
Retailer 7$7,593 NZD
Retailer 17$7,681 NZD
Retailer 15$8,100 NZD
Retailer 18$8,738 NZD
Retailer 19$9,660 NZD
Retailer 5$11,884 NZD
Retailer 21$12,577 NZD
NZ Jewellers$13,794 NZD

18 data points across 22 retailers

22 retailers$5,888 NZD to $13,794 NZD

A
Cheapest Retailer
-
$5,888 NZD
A
Retailer 2
-
$6,052 NZD
View
B+
Retailer 3
-
$6,204 NZD
View
A
Retailer 4
-
$6,236 NZD
View
A
Retailer 5
-
$6,301 NZD
View
A
Retailer 6
-
$6,440 NZD
View
B+
Retailer 7
-
$6,606 NZD
View
B+
Retailer 8
-
$6,620 NZD
View
Final sale: no returns
B+
Retailer 9
-
$6,806 NZD
View
B+
Retailer 10
-
$6,846 NZD
View
B+
Retailer 11
-
$7,024 NZD
View
B+
Retailer 12
-
$7,046 NZD
View
Retailer 13
-
$7,084 NZD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$7,412 NZD
View
B+
Retailer 15
-
$7,593 NZD
View
B+
Retailer 16
-
$7,681 NZD
View
Retailer 17
-
$8,100 NZD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$8,738 NZD
View
B+
Retailer 19
-
$9,660 NZD
View
B
Retailer 20
-
$11,884 NZD
View
B
Retailer 21
-
$12,577 NZD
View
Most Expensive
B
NZ Jewellers
8e292ed4-27ca-407b-8ce0-f56f7954f340 · Nov 5
$13,794 NZD
$7,647 USD
View
21 more retailers have this diamond
Prices start from $5,888 NZDSave up to $7,906 NZD

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
$5,888 NZD