Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555349194

Certificate GIA 6555349194

Diamond specifications and retailer prices

From $584 AUD
$410 USD
As of October 31, 2026
Save $1,134 AUD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,375 AUD 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 6555349194. Listed at 16 retailers as of October 27, 2026, with a 194% 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555349194
Dimensions4.57 × 4.59 × 2.86 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.57 mm4.59 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555349194
Side View
Table 57.0%Crown 35.5°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 31
Current: $765 AUD|Low: $675 AUD|High: $1,727 AUD|Avg: $1,062 AUD|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$681 AUD
Retailer 1$765 AUD
Retailer 2$937 AUD
Retailer 4$961 AUD
Retailer 6$992 AUD
Retailer 3$1,430 AUD
Retailer 5$1,718 AUD

43 data points across 7 retailers

16 retailers$584 AUD to $1,718 AUD

Retailer 1
-
$561 AUD
$394 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$584 AUD
$410 USD
View
Retailer 3
-
$605 AUD
$425 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$605 AUD
$425 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$648 AUD
$455 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$648 AUD
$455 USD
View
Price last confirmed 41 days ago
B+
Retailer 7
-
$730 AUD
$513 USD
View
B+
Retailer 8
-
$765 AUD
£423 GBP
View
B+
Retailer 9
-
$937 AUD
€627 EUR
View
B
Retailer 10
-
$937 AUD
$658 USD
View
B+
Retailer 11
-
$961 AUD
ZAR 10,900 ZAR
View
Retailer 12
-
$992 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$1,430 AUD
£791 GBP
View
B
Retailer 14
-
$1,718 AUD
£950 GBP
View
Retailer 15
-
$2,375 AUD
$1,668 USD
View
Price under review
Most Expensive
NZ Jewellers
c623b98c-aa26-4b28-9a89-3b812fcf63a2 · Sep 21
$2,375 AUD
$1,668 USD
View
Price under review
15 more retailers have this diamond
Prices start from $584 AUDSave up to $1,134 AUD

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
$584 AUD