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Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 1236910234

Certificate GIA 1236910234

Diamond specifications and retailer prices

From €2,503 EUR
As of November 5, 2026
Save €2,312 EUR (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,815 EUR 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 1236910234. Listed at 13 retailers as of November 5, 2026, with prices from €2,503 to €4,815, a €2,312 spread on the same certified stone. NZ Jewellers lists it at €4,815. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1236910234
Dimensions6.98 × 5.20 × 3.54 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Pinpoint
Top View
6.98 mm5.20 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1236910234
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €4,815 EUR|Low: €2,243 EUR|High: €4,815 EUR|Avg: €3,173 EUR|+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
Retailer 18
November 6, 2026
Retailer 6€2,243 EUR
Retailer 15€2,503 EUR
Retailer 17€2,503 EUR
Retailer 16€2,600 EUR
Retailer 7€2,642 EUR
Retailer 2€2,681 EUR
Retailer 18€2,709 EUR
Retailer 3€2,857 EUR
Retailer 4€2,857 EUR
Retailer 14€2,889 EUR
Retailer 5€2,947 EUR
Retailer 8€3,093 EUR
Retailer 11€3,216 EUR
Retailer 9€3,242 EUR
Retailer 12€3,373 EUR
Retailer 10€3,892 EUR
Retailer 13€4,609 EUR
NZ Jewellers€4,815 EUR

28 data points across 18 retailers

13 retailers€2,503 EUR to €4,815 EUR

A
Cheapest Retailer
-
€2,503 EUR
A
Retailer 2
-
€2,600 EUR
View
A
Retailer 3
-
€2,642 EUR
View
A
Retailer 4
-
€2,681 EUR
View
A
Retailer 5
-
€2,709 EUR
View
A
Retailer 6
-
€2,857 EUR
View
A
Retailer 7
-
€2,857 EUR
View
A
Retailer 8
-
€2,889 EUR
View
B+
Retailer 9
-
€2,947 EUR
View
B+
Retailer 10
-
€3,216 EUR
View
B+
Retailer 11
-
€3,373 EUR
View
B
Retailer 12
-
€4,609 EUR
View
Most Expensive
B
NZ Jewellers
d9f58977-f502-40ff-a920-afa2aec6d910 · Nov 5
€4,815 EUR
$5,376 USD
View
12 more retailers have this diamond
Prices start from €2,503 EURSave up to €2,312 EUR

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
€2,503 EUR