Round|Natural|GIA

0.37ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2497605850

Certificate GIA 2497605850

Diamond specifications and retailer prices

From $491 NZD
$276 USD
As of October 26, 2026
Save $657 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,283 NZD at NZ Jewellers · As of September 24, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2497605850. Listed at 12 retailers as of October 26, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2497605850
Dimensions4.66 × 4.64 × 2.83 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.66 mm4.64 mm0.37 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497605850
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.9%

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 26
Current: $625 NZD|Low: $491 NZD|High: $1,178 NZD|Avg: $751 NZD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$491 NZD
Retailer 6$533 NZD
Retailer 1$625 NZD
Retailer 7$698 NZD
Retailer 5$853 NZD
Retailer 2$955 NZD
Retailer 3$1,149 NZD

42 data points across 7 retailers

12 retailers$491 NZD to $1,149 NZD

A
Cheapest Retailer
-
$491 NZD
$276 USD
Retailer 2
-
$504 NZD
$283 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$534 NZD
$300 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$543 NZD
$305 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$563 NZD
$316 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$625 NZD
£276 GBP
View
Retailer 7
-
$678 NZD
$381 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$698 NZD
$392 USD
View
A
Retailer 9
-
$853 NZD
$479 USD
View
A
Retailer 10
-
$955 NZD
€511 EUR
View
B+
Retailer 11
-
$1,149 NZD
£508 GBP
View
Most Expensive
NZ Jewellers
c2b2a9be-863b-406a-8b7a-56b6e2dde4ad · Sep 24
$2,283 NZD
$1,282 USD
View
Price last confirmed 35 days ago
11 more retailers have this diamond
Prices start from $491 NZDSave up to $657 NZD

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
$491 NZD