Round|Natural|GIA

0.37ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2556842490

Certificate GIA 2556842490

Diamond specifications and retailer prices

From $575 AUD
₹38,468 INR
As of October 31, 2026
Save $1,200 AUD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,422 AUD at NZ Jewellers · As of October 2, 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 2556842490. Listed at 15 retailers as of October 31, 2026, with a 209% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556842490
Dimensions4.60 × 4.61 × 2.84 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
4.60 mm4.61 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556842490
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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: $1,775 AUD|Low: $574 AUD|High: $1,810 AUD|Avg: $992 AUD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6$575 AUD
Retailer 4$656 AUD
Retailer 12$820 AUD
Retailer 11$821 AUD
Retailer 3$831 AUD
Retailer 9$962 AUD
Retailer 5$965 AUD
Retailer 8$1,061 AUD
Retailer 7$1,073 AUD
Retailer 2$1,161 AUD
Retailer 10$1,190 AUD
Retailer 1$1,775 AUD

33 data points across 12 retailers

15 retailers$575 AUD to $1,775 AUD

A
Cheapest Retailer
-
$575 AUD
₹38,468 INR
A
Retailer 2
-
$656 AUD
HK$3,600 HKD
View
Retailer 3
-
$772 AUD
$542 USD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$820 AUD
SGD 778 SGD
View
A
Retailer 5
-
$821 AUD
$577 USD
View
Retailer 6
-
$834 AUD
$586 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$891 AUD
$626 USD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$962 AUD
$676 USD
View
B+
Retailer 9
-
$965 AUD
£534 GBP
View
B+
Retailer 10
-
$1,061 AUD
€710 EUR
View
B+
Retailer 11
-
$1,073 AUD
$754 USD
View
Retailer 12
-
$1,161 AUD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$1,190 AUD
ZAR 13,501 ZAR
View
B
Retailer 14
-
$1,775 AUD
£982 GBP
View
Most Expensive
NZ Jewellers
a03ed874-4494-4b7d-b687-1cc5f1762610 · Oct 2
$2,422 AUD
$1,701 USD
View
Price last confirmed 29 days ago
14 more retailers have this diamond
Prices start from $575 AUDSave up to $1,200 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
$575 AUD