Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2558567946

Certificate GIA 2558567946

Diamond specifications and retailer prices

From $790 NZD
$445 USD
As of October 31, 2026
Save $1,407 NZD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,210 NZD at NZ Jewellers · As of September 21, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558567946. Listed at 18 retailers as of October 27, 2026, with a 178% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2558567946
Dimensions4.64 × 4.66 × 2.84 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.64 mm4.66 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558567946
Side View
Table 55.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

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: $1,031 NZD|Low: $917 NZD|High: $2,208 NZD|Avg: $1,418 NZD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$926 NZD
Retailer 1$1,031 NZD
Retailer 2$1,259 NZD
Retailer 4$1,299 NZD
Retailer 6$1,342 NZD
Retailer 3$1,933 NZD
Retailer 5$2,197 NZD

43 data points across 7 retailers

18 retailers$790 NZD to $2,197 NZD

Retailer 1
-
$759 NZD
$428 USD
Price last confirmed 25 days ago
Retailer 2
-
$759 NZD
$428 USD
View
Price last confirmed 45 days ago
A
Retailer 3
-
$790 NZD
$445 USD
View
Retailer 4
-
$818 NZD
$461 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$818 NZD
$461 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$875 NZD
$493 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$875 NZD
$493 USD
View
Price last confirmed 41 days ago
B+
Retailer 8
-
$967 NZD
$545 USD
View
B+
Retailer 9
-
$1,031 NZD
£457 GBP
View
B
Retailer 10
-
$1,065 NZD
$600 USD
View
B
Retailer 11
-
$1,252 NZD
$705 USD
View
B+
Retailer 12
-
$1,259 NZD
€676 EUR
View
B+
Retailer 13
-
$1,299 NZD
ZAR 11,825 ZAR
View
Retailer 14
-
$1,342 NZD
A$1,163 AUD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$1,933 NZD
£858 GBP
View
B
Retailer 16
-
$2,197 NZD
£975 GBP
View
Retailer 17
-
$3,210 NZD
$1,809 USD
View
Price under review
Most Expensive
NZ Jewellers
41b2673b-ec9c-4f1a-b335-e24419f65278 · Sep 21
$3,210 NZD
$1,809 USD
View
Price under review
17 more retailers have this diamond
Prices start from $790 NZDSave up to $1,407 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
$790 NZD