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Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1508866992

Certificate GIA 1508866992

Diamond specifications and retailer prices

From €208 EUR
₹22,131 INR
As of October 31, 2026
Save €918 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,126 EUR at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508866992. Listed at 18 retailers as of October 30, 2026, with prices from €208 to €1,126, a €918 spread on the same certified stone. NZ Jewellers lists it at €1,126. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1508866992
Dimensions4.67 × 4.66 × 2.83 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cloud
Top View
4.67 mm4.66 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508866992
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.6%

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 31
Current: €679 EUR|Low: €207 EUR|High: €687 EUR|Avg: €405 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3€208 EUR
Retailer 6€304 EUR
Retailer 9€315 EUR
Retailer 8€328 EUR
Retailer 2€377 EUR
Retailer 5€456 EUR
Retailer 7€471 EUR
Retailer 4€488 EUR
Retailer 1€679 EUR

39 data points across 9 retailers

18 retailers€208 EUR to €1,126 EUR

A
Cheapest Retailer
-
€208 EUR
₹22,131 INR
A
Retailer 2
-
€252 EUR
HK$2,200 HKD
View
A
Retailer 3
-
€278 EUR
$311 USD
View
A
Retailer 4
-
€294 EUR
$328 USD
View
Retailer 5
-
€304 EUR
$340 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
€309 EUR
SGD 467 SGD
View
A
Retailer 7
-
€317 EUR
$354 USD
View
A
Retailer 8
-
€325 EUR
A$559 AUD
View
A
Retailer 9
-
€328 EUR
$366 USD
View
A
Retailer 10
-
€377 EUR
£332 GBP
View
B+
Retailer 11
-
€396 EUR
$442 USD
View
B+
Retailer 12
-
€411 EUR
$459 USD
View
B+
Retailer 13
-
€426 EUR
$476 USD
View
B+
Retailer 14
-
€456 EUR
ZAR 8,222 ZAR
View
Retailer 15
-
€471 EUR
A$809 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
€488 EUR
View
B
Retailer 17
-
€679 EUR
£597 GBP
View
Most Expensive
B
NZ Jewellers
de85f1ec-639f-4e03-a9f0-9e2fcf3c4c28 · Oct 30
€1,126 EUR
$1,258 USD
View
17 more retailers have this diamond
Prices start from €208 EURSave up to €918 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
€208 EUR