CaratHunter
Plans
Round|Natural|GIA

0.37ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1519353147

Certificate GIA 1519353147

Diamond specifications and retailer prices

From $309 AUD
₹20,680 INR
As of October 28, 2026
Save $1,361 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,697 AUD at NZ Jewellers · As of September 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1519353147. Listed at 16 retailers as of October 28, 2026, with a 440% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1519353147
Dimensions4.56 × 4.60 × 2.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Feather
Top View
4.56 mm4.60 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519353147
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $1,670 AUD|Low: $307 AUD|High: $1,677 AUD|Avg: $632 AUD|-0.4%
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
October 31, 2026
Retailer 9$309 AUD
Retailer 14$401 AUD
Retailer 11$413 AUD
Retailer 5$436 AUD
Retailer 7$469 AUD
Retailer 15$470 AUD
Retailer 13$485 AUD
Retailer 12$498 AUD
Retailer 2$556 AUD
Retailer 6$587 AUD
Retailer 3$591 AUD
Retailer 4$621 AUD
Retailer 8$726 AUD
Retailer 10$1,007 AUD
NZ Jewellers$1,670 AUD

41 data points across 15 retailers

16 retailers$309 AUD to $1,670 AUD

A
Cheapest Retailer
-
$309 AUD
₹20,680 INR
A
Retailer 2
-
$401 AUD
$282 USD
View
Final sale: no returns
A
Retailer 3
-
$413 AUD
$290 USD
View
A
Retailer 4
-
$436 AUD
$306 USD
View
A
Retailer 5
-
$470 AUD
$330 USD
View
A
Retailer 6
-
$485 AUD
$341 USD
View
A
Retailer 7
-
$498 AUD
$350 USD
View
A
Retailer 8
-
$556 AUD
£307 GBP
View
A
Retailer 9
-
$587 AUD
$412 USD
View
A
Retailer 10
-
$591 AUD
$415 USD
View
Retailer 11
-
$596 AUD
$419 USD
View
Price last confirmed 60 days ago
B+
Retailer 12
-
$621 AUD
$436 USD
View
B+
Retailer 13
-
$726 AUD
€486 EUR
View
B
Retailer 14
-
$1,007 AUD
£557 GBP
View
B
Retailer 15
-
$1,670 AUD
$1,173 USD
View
Most Expensive
NZ Jewellers
c42b7039-3a5d-4d6c-8f2d-41122c33dc58 · Sep 2
$1,697 AUD
$1,192 USD
View
Price last confirmed 59 days ago
15 more retailers have this diamond
Prices start from $309 AUDSave up to $1,361 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
$309 AUD