Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2558567946

Certificate GIA 2558567946

Diamond specifications and retailer prices

From HK$3,491 HKD
$445 USD
As of October 31, 2026
Save HK$6,224 HKD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$14,193 HKD at NZ Jewellers · As of September 21, 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 2558567946. Listed at 18 retailers as of October 27, 2026, with a 178% 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2558567946
Dimensions4.64 × 4.66 × 2.84 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.64 mm4.66 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558567946
Side View
Table 55.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

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 31
Current: HK$4,558 HKD|Low: HK$4,056 HKD|High: HK$9,765 HKD|Avg: HK$6,271 HKD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7HK$4,094 HKD
Retailer 1HK$4,558 HKD
Retailer 2HK$5,569 HKD
Retailer 4HK$5,743 HKD
Retailer 6HK$5,932 HKD
Retailer 3HK$8,549 HKD
Retailer 5HK$9,715 HKD

43 data points across 7 retailers

18 retailersHK$3,491 HKD to HK$9,715 HKD

Retailer 1
-
HK$3,358 HKD
$428 USD
Price last confirmed 25 days ago
Retailer 2
-
HK$3,358 HKD
$428 USD
View
Price last confirmed 45 days ago
A
Retailer 3
-
HK$3,491 HKD
$445 USD
View
Retailer 4
-
HK$3,617 HKD
$461 USD
View
Price last confirmed 34 days ago
Retailer 5
-
HK$3,617 HKD
$461 USD
View
Price last confirmed 25 days ago
Retailer 6
-
HK$3,868 HKD
$493 USD
View
Price last confirmed 23 days ago
Retailer 7
-
HK$3,868 HKD
$493 USD
View
Price last confirmed 41 days ago
B+
Retailer 8
-
HK$4,278 HKD
$545 USD
View
B+
Retailer 9
-
HK$4,558 HKD
£457 GBP
View
B
Retailer 10
-
HK$4,707 HKD
$600 USD
View
B
Retailer 11
-
HK$5,535 HKD
$705 USD
View
B+
Retailer 12
-
HK$5,569 HKD
€676 EUR
View
B+
Retailer 13
-
HK$5,743 HKD
ZAR 11,825 ZAR
View
Retailer 14
-
HK$5,932 HKD
A$1,163 AUD
View
Price last confirmed 28 days ago
B
Retailer 15
-
HK$8,549 HKD
£858 GBP
View
B
Retailer 16
-
HK$9,715 HKD
£975 GBP
View
Retailer 17
-
HK$14,193 HKD
$1,809 USD
View
Price under review
Most Expensive
NZ Jewellers
41b2673b-ec9c-4f1a-b335-e24419f65278 · Sep 21
HK$14,193 HKD
$1,809 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$3,491 HKDSave up to HK$6,224 HKD

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
HK$3,491 HKD