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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 $2,470 USD
As of November 6, 2026
Save $3,235 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,705 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 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 $2,470 to $5,705, a $3,235 spread on the same certified stone. NZ Jewellers lists it at $5,705. 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
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: $5,705 USD|Low: $2,470 USD|High: $5,760 USD|Avg: $3,715 USD|-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$2,470 USD
Retailer 10$2,565 USD
Retailer 14$2,920 USD
Retailer 15$2,936 USD
Retailer 8$3,022 USD
Retailer 11$3,176 USD
Retailer 17$3,274 USD
Retailer 9$3,306 USD
Retailer 2$3,388 USD
Retailer 3$3,400 USD
Retailer 7$3,418 USD
Retailer 4$3,500 USD
Retailer 5$3,778 USD
Retailer 12$3,812 USD
Retailer 13$3,996 USD
Retailer 16$5,461 USD
NZ Jewellers$5,705 USD

23 data points across 17 retailers

20 retailers$2,470 USD to $5,705 USD

A
Cheapest Retailer
-
$2,470 USD
A
Retailer 2
-
$2,565 USD
View
B+
Retailer 3
-
$2,920 USD
View
B+
Retailer 4
-
$2,936 USD
View
B+
Retailer 5
-
$3,022 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,073 USD
View
B+
Retailer 7
-
$3,075 USD
View
B+
Retailer 8
-
$3,176 USD
View
B+
Retailer 9
-
$3,274 USD
View
Retailer 10
-
$3,306 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$3,388 USD
View
B+
Retailer 12
-
$3,400 USD
View
B+
Retailer 13
-
$3,418 USD
View
B+
Retailer 14
-
$3,500 USD
View
Retailer 15
-
$3,562 USD
View
Price last confirmed 34 days ago
B
Retailer 16
-
$3,778 USD
View
B
Retailer 17
-
$3,812 USD
View
B
Retailer 18
-
$3,996 USD
View
B
Retailer 19
-
$5,461 USD
View
Most Expensive
B
NZ Jewellers
33956e39-9ced-4cdf-b258-c465d7eed1bc · Nov 5
$5,705 USD
View
19 more retailers have this diamond
Prices start from $2,470 USDSave up to $3,235 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
$2,470 USD