CaratHunter
Plans
Round|Natural|GIA

0.37ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2566400203

Certificate GIA 2566400203

Diamond specifications and retailer prices

From €269 EUR
$301 USD
As of October 27, 2026
Save €781 EUR (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,050 EUR at NZ Jewellers · As of October 26, 2026
View at NZ Jewellers

About this 0.37ct natural round diamond

This 0.37ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566400203. Listed at 12 retailers as of October 26, 2026, with prices from €269 to €1,050, a €781 spread on the same certified stone. NZ Jewellers lists it at €1,050. 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

0.37
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566400203
Dimensions4.57 × 4.61 × 2.86 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
4.57 mm4.61 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566400203
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Oct 27
Current: €1,050 EUR|Low: €269 EUR|High: €1,050 EUR|Avg: €443 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 7€269 EUR
Retailer 10€274 EUR
Retailer 12€282 EUR
Retailer 8€295 EUR
Retailer 9€305 EUR
Retailer 6€348 EUR
Retailer 11€369 EUR
Retailer 4€451 EUR
Retailer 2€517 EUR
Retailer 5€566 EUR
Retailer 3€635 EUR
NZ Jewellers€1,050 EUR

25 data points across 12 retailers

12 retailers€269 EUR to €1,050 EUR

A
Cheapest Retailer
-
€269 EUR
$301 USD
Retailer 2
-
€274 EUR
$306 USD
View
Price last confirmed 7 days ago
Retailer 3
-
€282 EUR
$315 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€295 EUR
$330 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€305 EUR
$341 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€348 EUR
£306 GBP
View
A
Retailer 7
-
€369 EUR
$412 USD
View
B+
Retailer 8
-
€451 EUR
$504 USD
View
B+
Retailer 9
-
€517 EUR
View
B+
Retailer 10
-
€566 EUR
£498 GBP
View
Retailer 11
-
€635 EUR
£559 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
NZ Jewellers
5338cdf2-69da-4b77-8b26-a82cba24c11f · Oct 26
€1,050 EUR
$1,173 USD
View
11 more retailers have this diamond
Prices start from €269 EURSave up to €781 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
0.37ct Round
€269 EUR