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Radiant|Natural|GIA

1.80ct I VS1 Radiant Natural Diamond

ID • I/VS1 • GIA 09

Certificate GIA 09

Diamond specifications and retailer prices

From €9,671 EUR
$10,804 USD
As of October 31, 2026
Save €2,274 EUR (19%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €11,945 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.8ct natural radiant diamond

This 1.8ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from €9,671 to €11,945, a €2,274 spread on the same certified stone. Blue Nile lists it at €11,945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
I
Color
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 09
Dimensions8.15 × 6.38 × 4.35 mm
L/W Ratio1.28
Top View
8.15 mm6.38 mm1.80 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 09
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €11,945 EUR|Low: €9,550 EUR|High: €12,223 EUR|Avg: €10,730 EUR|-2.3%
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2€9,671 EUR
Retailer 3€10,491 EUR
Blue Nile€11,945 EUR

6 data points across 3 retailers

3 retailers€9,671 EUR to €11,945 EUR

B+
Cheapest Retailer
-
€9,671 EUR
$10,804 USD
B
Retailer 2
-
€10,491 EUR
$11,721 USD
View
Most Expensive
B
Blue Nile
9078234 · Oct 31
€11,945 EUR
$13,345 USD
View
2 more retailers have this diamond
Prices start from €9,671 EURSave up to €2,274 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.

B+
1.80ct Radiant
€9,671 EUR