Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1558136606

Certificate GIA 1558136606

Diamond specifications and retailer prices

From $584 CAD
$418 USD
As of October 29, 2026
Save $1,110 CAD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,372 CAD at NZ Jewellers · As of September 24, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558136606. Listed at 20 retailers as of October 27, 2026, with a 190% 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1558136606
Dimensions4.66 × 4.68 × 2.82 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.66 mm4.68 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558136606
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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 29
Current: $765 CAD|Low: $584 CAD|High: $1,703 CAD|Avg: $945 CAD|+6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$584 CAD
Retailer 8$603 CAD
Retailer 7$681 CAD
Retailer 1$765 CAD
Retailer 3$940 CAD
Retailer 2$959 CAD
Retailer 6$991 CAD
Retailer 4$1,432 CAD
Retailer 5$1,694 CAD

42 data points across 9 retailers

20 retailers$584 CAD to $1,694 CAD

Retailer 1
-
$560 CAD
$401 USD
Price last confirmed 23 days ago
Retailer 2
-
$560 CAD
$401 USD
View
Price last confirmed 43 days ago
A
Retailer 3
-
$584 CAD
$418 USD
View
Retailer 4
-
$603 CAD
$432 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$603 CAD
$432 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$647 CAD
$463 USD
View
Price last confirmed 39 days ago
Retailer 7
-
$647 CAD
$463 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$712 CAD
$510 USD
View
B+
Retailer 9
-
$712 CAD
$510 USD
View
B+
Retailer 10
-
$726 CAD
$520 USD
View
B+
Retailer 11
-
$740 CAD
$530 USD
View
B+
Retailer 12
-
$765 CAD
£431 GBP
View
B
Retailer 13
-
$934 CAD
$668 USD
View
B+
Retailer 14
-
$940 CAD
€641 EUR
View
B+
Retailer 15
-
$959 CAD
ZAR 11,096 ZAR
View
Retailer 16
-
$991 CAD
A$1,092 AUD
View
Price last confirmed 26 days ago
B
Retailer 17
-
$1,432 CAD
£807 GBP
View
B
Retailer 18
-
$1,694 CAD
£955 GBP
View
Retailer 19
-
$2,372 CAD
$1,698 USD
View
Price under review
Most Expensive
NZ Jewellers
42eeb52f-6d19-4a74-a071-6b0341b5dbb2 · Sep 24
$2,372 CAD
$1,698 USD
View
Price under review
19 more retailers have this diamond
Prices start from $584 CADSave up to $1,110 CAD

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
$584 CAD