Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1508866992

Certificate GIA 1508866992

Diamond specifications and retailer prices

From $233 USD
₹22,208 INR
As of October 30, 2026
Save $1,025 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,258 USD 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 $233 to $1,258, a $1,025 spread on the same certified stone. NZ Jewellers lists it at $1,258. 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
Color
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: Oct 30
Current: $233 USD|Low: $232 USD|High: $767 USD|Avg: $467 USD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 1$233 USD
Retailer 5$340 USD
Retailer 8$352 USD
Retailer 3$421 USD
Retailer 9$476 USD
Retailer 2$509 USD
Retailer 7$526 USD
Retailer 6$542 USD
Retailer 4$762 USD

38 data points across 9 retailers

18 retailers$233 USD to $1,258 USD

A
Cheapest Retailer
-
$233 USD
₹22,208 INR
A
Retailer 2
-
$282 USD
HK$2,200 HKD
View
A
Retailer 3
-
$311 USD
View
A
Retailer 4
-
$328 USD
View
Retailer 5
-
$340 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$346 USD
SGD 467 SGD
View
A
Retailer 7
-
$354 USD
View
A
Retailer 8
-
$363 USD
A$559 AUD
View
A
Retailer 9
-
$366 USD
View
A
Retailer 10
-
$421 USD
£332 GBP
View
B+
Retailer 11
-
$442 USD
View
B+
Retailer 12
-
$459 USD
View
B+
Retailer 13
-
$476 USD
View
B+
Retailer 14
-
$509 USD
ZAR 8,222 ZAR
View
Retailer 15
-
$526 USD
A$809 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
$542 USD
€516 EUR
View
Price last confirmed 7 days ago
B
Retailer 17
-
$762 USD
£600 GBP
View
Most Expensive
B
NZ Jewellers
de85f1ec-639f-4e03-a9f0-9e2fcf3c4c28 · Oct 30
$1,258 USD
View
17 more retailers have this diamond
Prices start from $233 USDSave up to $1,025 USD

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
$233 USD