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Radiant|Natural|GIA

0.40ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 2173559626

Certificate GIA 2173559626

Diamond specifications and retailer prices

From €380 EUR
$425 USD
As of October 28, 2026
Save €378 EUR (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €759 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.4ct natural radiant diamond

This 0.4ct natural radiant sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2173559626. Listed at 6 retailers as of October 28, 2026, with prices from €380 to €759, a €378 spread on the same certified stone. 77 Diamonds lists it at €759. 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

0.40
Carat
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2173559626
Dimensions4.46 × 3.86 × 3.02 mm
L/W Ratio1.16
Top View
4.46 mm3.86 mm0.40 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2173559626
Side View
Table 74.0%CrownGirdle: ThickPavilionCulet: NoneDepth 78.3%

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: Oct 28
Current: €759 EUR|Low: €380 EUR|High: €761 EUR|Avg: €542 EUR|+1.6%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€380 EUR
Retailer 3€488 EUR
77 Diamonds€759 EUR

33 data points across 3 retailers

6 retailers€380 EUR to €759 EUR

A
Cheapest Retailer
-
€380 EUR
$425 USD
A
Retailer 2
-
€381 EUR
$426 USD
View
A
Retailer 3
-
€430 EUR
$480 USD
View
B+
Retailer 4
-
€488 EUR
$545 USD
View
B
Retailer 5
-
€552 EUR
$616 USD
View
Most Expensive
B
77 Diamonds
RADZET8NMF2R · Nov 1
€759 EUR
£668 GBP
View
5 more retailers have this diamond
Prices start from €380 EURSave up to €378 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
0.40ct Radiant
€380 EUR