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Round|Natural|GIA

0.37ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2488578138

Certificate GIA 2488578138

Diamond specifications and retailer prices

From €304 EUR
₹32,382 INR
As of November 1, 2026
Save €1,277 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,582 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2488578138. Listed at 15 retailers as of October 30, 2026, with prices from €304 to €1,582, a €1,277 spread on the same certified stone. NZ Jewellers lists it at €1,582. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2488578138
Dimensions4.57 × 4.60 × 2.87 mm
L/W Ratio1.01
Top View
4.57 mm4.60 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2488578138
Side View
Table 56.0%Crown 34.5°Girdle: UNDPavilion 40.8°Culet: NoneDepth 62.5%

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: Nov 1
Current: €570 EUR|Low: €304 EUR|High: €965 EUR|Avg: €605 EUR|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2€304 EUR
Retailer 4€512 EUR
Retailer 1€570 EUR
Retailer 5€640 EUR
Retailer 6€661 EUR
Retailer 3€953 EUR

36 data points across 6 retailers

15 retailers€304 EUR to €1,582 EUR

A
Cheapest Retailer
-
€304 EUR
₹32,382 INR
A
Retailer 2
-
€390 EUR
$436 USD
View
A
Retailer 3
-
€413 EUR
$461 USD
View
A
Retailer 4
-
€445 EUR
$497 USD
View
A
Retailer 5
-
€445 EUR
$497 USD
View
A
Retailer 6
-
€476 EUR
$532 USD
View
B+
Retailer 7
-
€512 EUR
£450 GBP
View
B+
Retailer 8
-
€530 EUR
$592 USD
View
B+
Retailer 9
-
€570 EUR
View
B+
Retailer 10
-
€584 EUR
$653 USD
View
B+
Retailer 11
-
€640 EUR
ZAR 11,549 ZAR
View
Retailer 12
-
€661 EUR
A$1,136 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
€953 EUR
£838 GBP
View
B
Retailer 14
-
€960 EUR
£845 GBP
View
Most Expensive
B
NZ Jewellers
c648305b-a1a0-4ce6-b967-58d5c35fc278 · Oct 30
€1,582 EUR
$1,767 USD
View
14 more retailers have this diamond
Prices start from €304 EURSave up to €1,277 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
€304 EUR