Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555418322

Certificate GIA 6555418322

Diamond specifications and retailer prices

From $236 AUD
₹15,834 INR
As of October 29, 2026
Save $535 AUD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,629 AUD at NZ Jewellers · As of October 3, 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 6555418322. Listed at 16 retailers as of October 29, 2026, with a 226% 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
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555418322
Dimensions4.63 × 4.65 × 2.84 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
4.63 mm4.65 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555418322
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.2%

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 29
Current: $510 AUD|Low: $235 AUD|High: $842 AUD|Avg: $503 AUD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$236 AUD
Retailer 3$291 AUD
Retailer 2$362 AUD
Retailer 9$455 AUD
Retailer 11$507 AUD
Retailer 1$510 AUD
Retailer 10$510 AUD
Retailer 12$512 AUD
Retailer 4$576 AUD
Retailer 8$585 AUD
Retailer 7$627 AUD
Retailer 6$771 AUD

28 data points across 12 retailers

16 retailers$236 AUD to $771 AUD

A
Cheapest Retailer
-
$236 AUD
₹15,834 INR
A
Retailer 2
-
$291 AUD
HK$1,600 HKD
View
A
Retailer 3
-
$360 AUD
$253 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$362 AUD
SGD 344 SGD
View
A
Retailer 5
-
$405 AUD
$285 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$455 AUD
£252 GBP
View
A
Retailer 7
-
$485 AUD
$341 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$507 AUD
ZAR 5,757 ZAR
View
A
Retailer 9
-
$510 AUD
£282 GBP
View
A
Retailer 10
-
$510 AUD
$359 USD
View
A
Retailer 11
-
$512 AUD
$360 USD
View
A
Retailer 12
-
$576 AUD
View
Price last confirmed 25 days ago
A
Retailer 13
-
$585 AUD
€392 EUR
View
A
Retailer 14
-
$627 AUD
$441 USD
View
B+
Retailer 15
-
$771 AUD
£427 GBP
View
Most Expensive
B
NZ Jewellers
027e8b11-d63c-4f8c-b3d1-1d2fb6cd7704 · Oct 3
$1,629 AUD
$1,146 USD
View
Price last confirmed 26 days ago
15 more retailers have this diamond
Prices start from $236 AUDSave up to $535 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
$236 AUD