Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1558136606

Certificate GIA 1558136606

Diamond specifications and retailer prices

From HK$3,280 HKD
$418 USD
As of October 31, 2026
Save HK$6,236 HKD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$13,322 HKD 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
Colour
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 31
Current: HK$4,298 HKD|Low: HK$3,790 HKD|High: HK$9,565 HKD|Avg: HK$5,930 HKD|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7HK$3,825 HKD
Retailer 1HK$4,298 HKD
Retailer 3HK$5,248 HKD
Retailer 4HK$5,389 HKD
Retailer 6HK$5,567 HKD
Retailer 2HK$8,021 HKD
Retailer 5HK$9,516 HKD

42 data points across 7 retailers

20 retailersHK$3,280 HKD to HK$9,516 HKD

Retailer 1
-
HK$3,146 HKD
$401 USD
Price last confirmed 25 days ago
Retailer 2
-
HK$3,146 HKD
$401 USD
View
Price last confirmed 45 days ago
A
Retailer 3
-
HK$3,280 HKD
$418 USD
View
Retailer 4
-
HK$3,389 HKD
$432 USD
View
Price last confirmed 33 days ago
Retailer 5
-
HK$3,389 HKD
$432 USD
View
Price last confirmed 25 days ago
Retailer 6
-
HK$3,633 HKD
$463 USD
View
Price last confirmed 41 days ago
Retailer 7
-
HK$3,633 HKD
$463 USD
View
Price last confirmed 23 days ago
B+
Retailer 8
-
HK$4,001 HKD
$510 USD
View
B+
Retailer 9
-
HK$4,001 HKD
$510 USD
View
B+
Retailer 10
-
HK$4,078 HKD
$520 USD
View
B+
Retailer 11
-
HK$4,158 HKD
$530 USD
View
B+
Retailer 12
-
HK$4,298 HKD
£431 GBP
View
B
Retailer 13
-
HK$5,244 HKD
$668 USD
View
B+
Retailer 14
-
HK$5,248 HKD
€637 EUR
View
B+
Retailer 15
-
HK$5,389 HKD
ZAR 11,096 ZAR
View
Retailer 16
-
HK$5,567 HKD
A$1,092 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
HK$8,021 HKD
£805 GBP
View
B
Retailer 18
-
HK$9,516 HKD
£955 GBP
View
Retailer 19
-
HK$13,322 HKD
$1,698 USD
View
Price under review
Most Expensive
NZ Jewellers
42eeb52f-6d19-4a74-a071-6b0341b5dbb2 · Sep 24
HK$13,322 HKD
$1,698 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$3,280 HKDSave up to HK$6,236 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$3,280 HKD