Radiant|Natural|GIA

1.20ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 1545934807

Certificate GIA 1545934807

Diamond specifications and retailer prices

From $5,708 NZD
As of November 7, 2026
9 retailers carry this diamond
Most expensive: $10,351 NZD at NZ Jewellers · As of September 25, 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 1545934807. Listed at 9 retailers as of November 7, 2026. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545934807
Dimensions7.16 × 5.30 × 3.57 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.16 mm5.30 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545934807
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 7
Current: $6,375 NZD|Low: $4,432 NZD|High: $10,055 NZD|Avg: $5,917 NZD|+2.1%
Retailer 1
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
October 3, 2026
Retailer 11$4,432 NZD
Retailer 17$4,501 NZD
Retailer 5$4,696 NZD
Retailer 6$4,807 NZD
Retailer 12$5,042 NZD
Retailer 7$5,249 NZD
Retailer 13$5,320 NZD
Retailer 9$5,365 NZD
Retailer 18$5,459 NZD
Retailer 8$5,574 NZD
Retailer 16$5,666 NZD
Retailer 10$5,708 NZD
Retailer 4$6,103 NZD
Retailer 1$6,375 NZD
Retailer 14$6,765 NZD
Retailer 2$7,145 NZD
Retailer 3$9,000 NZD
Retailer 15$10,055 NZD

8 data points across 18 retailers

9 retailers

Retailer 1
-
$4,432 NZD
Price last confirmed 36 days ago
Retailer 2
-
$5,042 NZD
View
Price last confirmed 37 days ago
Retailer 3
-
$5,320 NZD
View
Price last confirmed 37 days ago
B+
Retailer 4
-
$5,708 NZD
View
Retailer 5
-
$6,103 NZD
View
Price last confirmed 45 days ago
Retailer 6
-
$6,375 NZD
View
Price last confirmed 35 days ago
Retailer 7
-
$7,145 NZD
View
Price last confirmed 43 days ago
Retailer 8
-
$10,055 NZD
View
Price last confirmed 37 days ago
Most Expensive
NZ Jewellers
c51d42b8-7d75-4caf-a56e-febbe64cb7df · Sep 25
$10,351 NZD
$5,738 USD
View
Price last confirmed 42 days ago
8 more retailers have this diamond
Prices start from $5,708 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.

B+
1.20ct Radiant
$5,708 NZD