Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2447808833

Certificate GIA 2447808833

Diamond specifications and retailer prices

From $444 USD
As of October 28, 2026
Save $941 USD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,880 USD at NZ Jewellers · As of October 26, 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 2447808833. Listed at 19 retailers as of October 27, 2026, with a 212% 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2447808833
Dimensions4.60 × 4.57 × 2.87 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
4.60 mm4.57 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447808833
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: Very SmallDepth 62.5%

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: $1,880 USD|Low: $444 USD|High: $1,880 USD|Avg: $707 USD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 18$444 USD
Retailer 15$455 USD
Retailer 9$462 USD
Retailer 4$472 USD
Retailer 10$479 USD
Retailer 16$479 USD
Retailer 7$513 USD
Retailer 3$532 USD
Retailer 11$560 USD
Retailer 5$561 USD
Retailer 19$577 USD
Retailer 2$608 USD
Retailer 6$610 USD
Retailer 14$663 USD
Retailer 13$759 USD
Retailer 17$786 USD
Retailer 12$1,134 USD
Retailer 8$1,385 USD
NZ Jewellers$1,880 USD

44 data points across 19 retailers

19 retailers$444 USD to $1,385 USD

A
Cheapest Retailer
-
$444 USD
A
Retailer 2
-
$455 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$462 USD
View
B+
Retailer 4
-
$472 USD
View
B+
Retailer 5
-
$479 USD
View
B+
Retailer 6
-
$479 USD
View
B+
Retailer 7
-
$494 USD
A$760 AUD
View
B+
Retailer 8
-
$513 USD
View
B+
Retailer 9
-
$532 USD
View
B+
Retailer 10
-
$561 USD
View
B+
Retailer 11
-
$577 USD
View
B
Retailer 12
-
$608 USD
£479 GBP
View
B
Retailer 13
-
$610 USD
View
B+
Retailer 14
-
$663 USD
€631 EUR
View
B
Retailer 15
-
$759 USD
ZAR 12,263 ZAR
View
B
Retailer 16
-
$786 USD
A$1,209 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$1,134 USD
£893 GBP
View
B
Retailer 18
-
$1,385 USD
CA$1,924 CAD
View
Most Expensive
B
NZ Jewellers
3eef4db4-03cc-497c-a2c6-72852cfd3402 · Oct 26
$1,880 USD
View
Price under review
18 more retailers have this diamond
Prices start from $444 USDSave up to $941 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
$444 USD