Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555418322

Certificate GIA 6555418322

Diamond specifications and retailer prices

From $162 USD
₹15,388 INR
As of October 31, 2026
Save $352 USD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,146 USD at NZ Jewellers · As of October 3, 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 6555418322. Listed at 16 retailers as of October 31, 2026, with a 218% 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
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555418322
Dimensions4.63 × 4.65 × 2.84 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
4.63 mm4.65 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555418322
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $513 USD|Low: $162 USD|High: $569 USD|Avg: $346 USD|-9.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$162 USD
Retailer 3$205 USD
Retailer 2$255 USD
Retailer 11$320 USD
Retailer 4$334 USD
Retailer 6$342 USD
Retailer 9$362 USD
Retailer 10$364 USD
Retailer 8$403 USD
Retailer 5$433 USD
Retailer 1$513 USD

28 data points across 11 retailers

16 retailers$162 USD to $513 USD

A
Cheapest Retailer
-
$162 USD
₹15,388 INR
A
Retailer 2
-
$205 USD
HK$1,600 HKD
View
Retailer 3
-
$253 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$255 USD
SGD 344 SGD
View
Retailer 5
-
$285 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$320 USD
£252 GBP
View
A
Retailer 7
-
$334 USD
£263 GBP
View
Retailer 8
-
$341 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$342 USD
View
A
Retailer 10
-
$362 USD
ZAR 5,845 ZAR
View
A
Retailer 11
-
$364 USD
View
A
Retailer 12
-
$403 USD
€384 EUR
View
Retailer 13
-
$405 USD
A$624 AUD
View
Price last confirmed 28 days ago
A
Retailer 14
-
$433 USD
View
B+
Retailer 15
-
$513 USD
£404 GBP
View
Most Expensive
NZ Jewellers
027e8b11-d63c-4f8c-b3d1-1d2fb6cd7704 · Oct 3
$1,146 USD
View
Price last confirmed 29 days ago
15 more retailers have this diamond
Prices start from $162 USDSave up to $352 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
$162 USD