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Radiant|Natural|GIA

1.20ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 3555716181

Certificate GIA 3555716181

Diamond specifications and retailer prices

From $4,456 NZD
As of November 6, 2026
Save $5,836 NZD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,291 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555716181. Listed at 20 retailers as of November 5, 2026, with prices from $4,456 to $10,291, a $5,836 spread on the same certified stone. NZ Jewellers lists it at $10,291. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555716181
Dimensions7.50 × 5.35 × 3.58 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Needle, Cavity
Top View
7.50 mm5.35 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 3555716181
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.9%

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: $10,291 NZD|Low: $4,456 NZD|High: $10,390 NZD|Avg: $6,702 NZD|-1.0%
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
November 7, 2026
Retailer 6$4,456 NZD
Retailer 10$4,627 NZD
Retailer 14$5,267 NZD
Retailer 15$5,296 NZD
Retailer 8$5,451 NZD
Retailer 11$5,729 NZD
Retailer 17$5,906 NZD
Retailer 9$5,964 NZD
Retailer 2$6,112 NZD
Retailer 3$6,133 NZD
Retailer 7$6,166 NZD
Retailer 4$6,314 NZD
Retailer 5$6,815 NZD
Retailer 12$6,876 NZD
Retailer 13$7,208 NZD
Retailer 16$9,851 NZD
NZ Jewellers$10,291 NZD

23 data points across 17 retailers

20 retailers$4,456 NZD to $10,291 NZD

A
Cheapest Retailer
-
$4,456 NZD
A
Retailer 2
-
$4,627 NZD
View
B+
Retailer 3
-
$5,267 NZD
View
B+
Retailer 4
-
$5,296 NZD
View
B+
Retailer 5
-
$5,451 NZD
View
Final sale: no returns
B+
Retailer 6
-
$5,543 NZD
View
B+
Retailer 7
-
$5,547 NZD
View
B+
Retailer 8
-
$5,729 NZD
View
B+
Retailer 9
-
$5,906 NZD
View
Retailer 10
-
$5,964 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$6,112 NZD
View
B+
Retailer 12
-
$6,133 NZD
View
B+
Retailer 13
-
$6,166 NZD
View
B+
Retailer 14
-
$6,314 NZD
View
Retailer 15
-
$6,425 NZD
View
Price last confirmed 34 days ago
B
Retailer 16
-
$6,815 NZD
View
B
Retailer 17
-
$6,876 NZD
View
B
Retailer 18
-
$7,208 NZD
View
B
Retailer 19
-
$9,851 NZD
View
Most Expensive
B
NZ Jewellers
33956e39-9ced-4cdf-b258-c465d7eed1bc · Nov 5
$10,291 NZD
$5,705 USD
View
19 more retailers have this diamond
Prices start from $4,456 NZDSave up to $5,836 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
$4,456 NZD