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Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2447808833

Certificate GIA 2447808833

Diamond specifications and retailer prices

From $632 AUD
$444 USD
As of October 31, 2026
Save $1,340 AUD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,676 AUD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2447808833. Listed at 19 retailers as of October 30, 2026, with a 212% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2447808833
Dimensions4.60 × 4.57 × 2.87 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
4.60 mm4.57 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447808833
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: Very SmallDepth 62.5%

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: $2,676 AUD|Low: $632 AUD|High: $2,676 AUD|Avg: $1,008 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 18$632 AUD
Retailer 15$648 AUD
Retailer 9$658 AUD
Retailer 4$672 AUD
Retailer 10$682 AUD
Retailer 16$682 AUD
Retailer 7$730 AUD
Retailer 3$757 AUD
Retailer 11$797 AUD
Retailer 5$799 AUD
Retailer 19$821 AUD
Retailer 2$861 AUD
Retailer 6$868 AUD
Retailer 13$949 AUD
Retailer 12$1,083 AUD
Retailer 17$1,118 AUD
Retailer 14$1,615 AUD
Retailer 8$1,972 AUD
NZ Jewellers$2,676 AUD

43 data points across 19 retailers

19 retailers$632 AUD to $1,972 AUD

A
Cheapest Retailer
-
$632 AUD
$444 USD
Retailer 2
-
$648 AUD
$455 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$658 AUD
$462 USD
View
B+
Retailer 4
-
$672 AUD
$472 USD
View
B+
Retailer 5
-
$682 AUD
$479 USD
View
B+
Retailer 6
-
$682 AUD
$479 USD
View
B+
Retailer 7
-
$704 AUD
View
B+
Retailer 8
-
$730 AUD
$513 USD
View
B+
Retailer 9
-
$757 AUD
$532 USD
View
B+
Retailer 10
-
$799 AUD
$561 USD
View
B+
Retailer 11
-
$821 AUD
$577 USD
View
B
Retailer 12
-
$861 AUD
£476 GBP
View
B
Retailer 13
-
$868 AUD
$610 USD
View
B+
Retailer 14
-
$949 AUD
€635 EUR
View
B
Retailer 15
-
$1,083 AUD
ZAR 12,287 ZAR
View
Retailer 16
-
$1,118 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
$1,615 AUD
£893 GBP
View
B
Retailer 18
-
$1,972 AUD
CA$1,924 CAD
View
Most Expensive
NZ Jewellers
3eef4db4-03cc-497c-a2c6-72852cfd3402 · Oct 30
$2,676 AUD
$1,880 USD
View
Price under review
18 more retailers have this diamond
Prices start from $632 AUDSave up to $1,340 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
$632 AUD