Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 5506010065

Certificate GIA 5506010065

Diamond specifications and retailer prices

From $421 USD
As of October 28, 2026
Save $1,191 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,612 USD 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 $421 to $1,612, a $1,191 spread on the same certified stone. NZ Jewellers lists it at $1,612. 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
Color
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: $481 USD|Low: $451 USD|High: $983 USD|Avg: $631 USD|+6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6$461 USD
Retailer 1$481 USD
Retailer 7$573 USD
Retailer 8$604 USD
Retailer 4$651 USD
Retailer 5$674 USD
Retailer 3$715 USD
Retailer 2$977 USD

44 data points across 8 retailers

13 retailers$421 USD to $1,612 USD

B+
Cheapest Retailer
-
$421 USD
B+
Retailer 2
-
$453 USD
View
B+
Retailer 3
-
$457 USD
A$703 AUD
View
B+
Retailer 4
-
$481 USD
£379 GBP
View
B+
Retailer 5
-
$485 USD
View
B+
Retailer 6
-
$573 USD
View
B+
Retailer 7
-
$604 USD
View
B
Retailer 8
-
$651 USD
ZAR 10,515 ZAR
View
B
Retailer 9
-
$674 USD
A$1,036 AUD
View
Price last confirmed 25 days ago
B
Retailer 10
-
$715 USD
€681 EUR
View
B
Retailer 11
-
$897 USD
£706 GBP
View
B
Retailer 12
-
$977 USD
£769 GBP
View
Most Expensive
C
NZ Jewellers
fbf9cc23-e26f-487e-88ab-0f37c993b94e · Oct 26
$1,612 USD
View
12 more retailers have this diamond
Prices start from $421 USDSave up to $1,191 USD

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
$421 USD