CaratHunter
Plans
Round|Natural|GIA

0.37ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2488578138

Certificate GIA 2488578138

Diamond specifications and retailer prices

From $484 AUD
₹32,389 INR
As of October 31, 2026
Save $2,031 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,516 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2488578138. Listed at 15 retailers as of October 30, 2026, with prices from $484 to $2,516, a $2,031 spread on the same certified stone. NZ Jewellers lists it at $2,516. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2488578138
Dimensions4.57 × 4.60 × 2.87 mm
L/W Ratio1.01
Top View
4.57 mm4.60 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2488578138
Side View
Table 56.0%Crown 34.5°Girdle: UNDPavilion 40.8°Culet: NoneDepth 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: $484 AUD|Low: $483 AUD|High: $1,535 AUD|Avg: $959 AUD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 1$484 AUD
Retailer 2$807 AUD
Retailer 3$909 AUD
Retailer 4$1,018 AUD
Retailer 6$1,051 AUD
Retailer 5$1,519 AUD

37 data points across 6 retailers

15 retailers$484 AUD to $2,516 AUD

A
Cheapest Retailer
-
$484 AUD
₹32,389 INR
A
Retailer 2
-
$621 AUD
$436 USD
View
A
Retailer 3
-
$656 AUD
$461 USD
View
A
Retailer 4
-
$708 AUD
$497 USD
View
A
Retailer 5
-
$708 AUD
$497 USD
View
A
Retailer 6
-
$757 AUD
$532 USD
View
B+
Retailer 7
-
$807 AUD
£446 GBP
View
B+
Retailer 8
-
$843 AUD
$592 USD
View
B+
Retailer 9
-
$909 AUD
€608 EUR
View
B+
Retailer 10
-
$929 AUD
$653 USD
View
B+
Retailer 11
-
$1,018 AUD
ZAR 11,549 ZAR
View
Retailer 12
-
$1,051 AUD
View
Price last confirmed 27 days ago
B
Retailer 13
-
$1,519 AUD
£840 GBP
View
B
Retailer 14
-
$1,527 AUD
£845 GBP
View
Most Expensive
B
NZ Jewellers
c648305b-a1a0-4ce6-b967-58d5c35fc278 · Oct 30
$2,516 AUD
$1,767 USD
View
14 more retailers have this diamond
Prices start from $484 AUDSave up to $2,031 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
$484 AUD