Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 5506010065

Certificate GIA 5506010065

Diamond specifications and retailer prices

From $599 AUD
$421 USD
As of October 28, 2026
Save $1,695 AUD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,295 AUD at NZ Jewellers · As of October 26, 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 SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 5506010065. Listed at 13 retailers as of October 26, 2026, with prices from $599 to $2,295, a $1,695 spread on the same certified stone. NZ Jewellers lists it at $2,295. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.37
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceMedium
Crown angle32°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5506010065
Dimensions4.73 × 4.75 × 2.74 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
4.73 mm4.75 mm0.37 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 5506010065
Side View
Table 58.0%Crown 32°Girdle: VTN-MEDPavilion 40.2°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $684 AUD|Low: $641 AUD|High: $1,399 AUD|Avg: $898 AUD|+6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6$656 AUD
Retailer 1$684 AUD
Retailer 7$816 AUD
Retailer 8$860 AUD
Retailer 4$926 AUD
Retailer 5$959 AUD
Retailer 3$1,018 AUD
Retailer 2$1,390 AUD

44 data points across 8 retailers

13 retailers$599 AUD to $2,295 AUD

B+
Cheapest Retailer
-
$599 AUD
$421 USD
B+
Retailer 2
-
$645 AUD
$453 USD
View
B+
Retailer 3
-
$650 AUD
View
B+
Retailer 4
-
$684 AUD
£379 GBP
View
B+
Retailer 5
-
$690 AUD
$485 USD
View
B+
Retailer 6
-
$816 AUD
$573 USD
View
B+
Retailer 7
-
$860 AUD
$604 USD
View
B
Retailer 8
-
$926 AUD
ZAR 10,515 ZAR
View
B
Retailer 9
-
$959 AUD
View
Price last confirmed 26 days ago
B
Retailer 10
-
$1,018 AUD
€681 EUR
View
B
Retailer 11
-
$1,277 AUD
£706 GBP
View
B
Retailer 12
-
$1,390 AUD
£769 GBP
View
Most Expensive
C
NZ Jewellers
fbf9cc23-e26f-487e-88ab-0f37c993b94e · Oct 26
$2,295 AUD
$1,612 USD
View
12 more retailers have this diamond
Prices start from $599 AUDSave up to $1,695 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.

B+
0.37ct Round
$599 AUD