CaratHunter
Plans
Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1508866992

Certificate GIA 1508866992

Diamond specifications and retailer prices

From $412 NZD
₹22,126 INR
As of November 1, 2026
Save $1,820 NZD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,232 NZD 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 1508866992. Listed at 18 retailers as of October 30, 2026, with prices from $412 to $2,232, a $1,820 spread on the same certified stone. NZ Jewellers lists it at $2,232. 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 angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1508866992
Dimensions4.67 × 4.66 × 2.83 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cloud
Top View
4.67 mm4.66 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508866992
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.6%

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: Nov 1
Current: $741 NZD|Low: $411 NZD|High: $1,361 NZD|Avg: $829 NZD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$412 NZD
Retailer 6$603 NZD
Retailer 8$649 NZD
Retailer 1$741 NZD
Retailer 5$903 NZD
Retailer 7$933 NZD
Retailer 4$967 NZD
Retailer 3$1,345 NZD

39 data points across 8 retailers

18 retailers$412 NZD to $2,232 NZD

A
Cheapest Retailer
-
$412 NZD
₹22,126 INR
A
Retailer 2
-
$500 NZD
HK$2,200 HKD
View
A
Retailer 3
-
$552 NZD
$311 USD
View
A
Retailer 4
-
$582 NZD
$328 USD
View
A
Retailer 5
-
$603 NZD
$340 USD
View
A
Retailer 6
-
$613 NZD
SGD 467 SGD
View
A
Retailer 7
-
$628 NZD
$354 USD
View
A
Retailer 8
-
$645 NZD
A$559 AUD
View
A
Retailer 9
-
$649 NZD
$366 USD
View
A
Retailer 10
-
$741 NZD
£329 GBP
View
B+
Retailer 11
-
$784 NZD
$442 USD
View
B+
Retailer 12
-
$814 NZD
$459 USD
View
B+
Retailer 13
-
$845 NZD
$476 USD
View
B+
Retailer 14
-
$903 NZD
ZAR 8,222 ZAR
View
Retailer 15
-
$933 NZD
A$809 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$967 NZD
€519 EUR
View
B
Retailer 17
-
$1,345 NZD
£597 GBP
View
Most Expensive
B
NZ Jewellers
de85f1ec-639f-4e03-a9f0-9e2fcf3c4c28 · Oct 30
$2,232 NZD
$1,258 USD
View
17 more retailers have this diamond
Prices start from $412 NZDSave up to $1,820 NZD

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
$412 NZD