Radiant|Natural|GIA

1.20ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 1545934807

Certificate GIA 1545934807

Diamond specifications and retailer prices

From $3,164 USD
As of November 7, 2026
9 retailers carry this diamond
Most expensive: $5,738 USD 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
Color
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: $3,534 USD|Low: $2,457 USD|High: $5,574 USD|Avg: $3,280 USD|+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$2,457 USD
Retailer 17$2,495 USD
Retailer 5$2,603 USD
Retailer 6$2,665 USD
Retailer 12$2,795 USD
Retailer 7$2,910 USD
Retailer 13$2,949 USD
Retailer 9$2,974 USD
Retailer 18$3,026 USD
Retailer 8$3,090 USD
Retailer 16$3,141 USD
Retailer 10$3,164 USD
Retailer 4$3,383 USD
Retailer 1$3,534 USD
Retailer 14$3,750 USD
Retailer 2$3,961 USD
Retailer 3$4,989 USD
Retailer 15$5,574 USD

8 data points across 18 retailers

9 retailers

Retailer 1
-
$2,457 USD
Price last confirmed 36 days ago
Retailer 2
-
$2,795 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$2,949 USD
View
Price last confirmed 37 days ago
B+
Retailer 4
-
$3,164 USD
View
Retailer 5
-
$3,383 USD
View
Price last confirmed 45 days ago
Retailer 6
-
$3,534 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$3,961 USD
View
Price last confirmed 43 days ago
Retailer 8
-
$5,574 USD
View
Price last confirmed 37 days ago
Most Expensive
NZ Jewellers
c51d42b8-7d75-4caf-a56e-febbe64cb7df · Sep 25
$5,738 USD
View
Price last confirmed 42 days ago
8 more retailers have this diamond
Prices start from $3,164 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.

B+
1.20ct Radiant
$3,164 USD