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Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2506894839

Certificate GIA 2506894839

Diamond specifications and retailer prices

From $565 AUD
$397 USD
As of October 28, 2026
Save $1,601 AUD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,166 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 very-good cut grade and certified by GIA 2506894839. Listed at 12 retailers as of October 26, 2026, with prices from $565 to $2,166, a $1,601 spread on the same certified stone. NZ Jewellers lists it at $2,166. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2506894839
Dimensions4.53 × 4.56 × 2.88 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.53 mm4.56 mm0.37 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2506894839
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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 28
Current: $2,166 AUD|Low: $565 AUD|High: $2,166 AUD|Avg: $870 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 12$565 AUD
Retailer 9$609 AUD
Retailer 11$609 AUD
Retailer 5$643 AUD
Retailer 3$652 AUD
Retailer 4$652 AUD
Retailer 2$669 AUD
Retailer 13$752 AUD
Retailer 7$875 AUD
Retailer 10$905 AUD
Retailer 6$918 AUD
Retailer 8$1,278 AUD
NZ Jewellers$2,166 AUD

45 data points across 13 retailers

12 retailers$565 AUD to $2,166 AUD

A
Cheapest Retailer
-
$565 AUD
$397 USD
A
Retailer 2
-
$596 AUD
View
A
Retailer 3
-
$609 AUD
$428 USD
View
A
Retailer 4
-
$609 AUD
$428 USD
View
A
Retailer 5
-
$652 AUD
$458 USD
View
A
Retailer 6
-
$669 AUD
£370 GBP
View
B+
Retailer 7
-
$752 AUD
$528 USD
View
B+
Retailer 8
-
$875 AUD
ZAR 9,928 ZAR
View
Retailer 9
-
$905 AUD
View
Price last confirmed 26 days ago
B+
Retailer 10
-
$918 AUD
€614 EUR
View
B
Retailer 11
-
$1,278 AUD
£707 GBP
View
Most Expensive
B
NZ Jewellers
aab946dd-d77c-42c2-a857-27a9b3ca3812 · Oct 26
$2,166 AUD
$1,522 USD
View
11 more retailers have this diamond
Prices start from $565 AUDSave up to $1,601 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
$565 AUD