CaratHunter
Plans
Round|Natural|GIA

0.37ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1559851310

Certificate GIA 1559851310

Diamond specifications and retailer prices

From $542 AUD
₹36,284 INR
As of October 31, 2026
Save $1,770 AUD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,312 AUD at NZ Jewellers · As of October 29, 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 1559851310. Listed at 15 retailers as of October 29, 2026, with prices from $542 to $2,312, a $1,770 spread on the same certified stone. NZ Jewellers lists it at $2,312. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559851310
Dimensions4.57 × 4.58 × 2.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.57 mm4.58 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559851310
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: $2,312 AUD|Low: $542 AUD|High: $2,427 AUD|Avg: $1,053 AUD|-4.8%
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
October 31, 2026
Retailer 7$542 AUD
Retailer 6$638 AUD
Retailer 2$737 AUD
Retailer 4$780 AUD
Retailer 12$797 AUD
Retailer 14$797 AUD
Retailer 9$850 AUD
Retailer 8$919 AUD
Retailer 11$924 AUD
Retailer 5$1,028 AUD
Retailer 3$1,102 AUD
Retailer 10$1,143 AUD
Retailer 13$1,719 AUD
NZ Jewellers$2,312 AUD

23 data points across 14 retailers

15 retailers$542 AUD to $2,312 AUD

A
Cheapest Retailer
-
$542 AUD
₹36,284 INR
A
Retailer 2
-
$638 AUD
HK$3,500 HKD
View
A
Retailer 3
-
$737 AUD
$518 USD
View
A
Retailer 4
-
$780 AUD
SGD 740 SGD
View
A
Retailer 5
-
$797 AUD
$560 USD
View
A
Retailer 6
-
$797 AUD
$560 USD
View
A
Retailer 7
-
$850 AUD
$597 USD
View
B+
Retailer 8
-
$919 AUD
£508 GBP
View
B+
Retailer 9
-
$924 AUD
$649 USD
View
B+
Retailer 10
-
$1,028 AUD
$722 USD
View
B+
Retailer 11
-
$1,102 AUD
€737 EUR
View
B+
Retailer 12
-
$1,143 AUD
ZAR 12,970 ZAR
View
Retailer 13
-
$1,181 AUD
View
Price last confirmed 27 days ago
B
Retailer 14
-
$1,719 AUD
£951 GBP
View
Most Expensive
B
NZ Jewellers
18e1d79e-6ccb-44f5-aea9-2b1130b39539 · Oct 29
$2,312 AUD
$1,624 USD
View
14 more retailers have this diamond
Prices start from $542 AUDSave up to $1,770 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
$542 AUD