Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555418322

Certificate GIA 6555418322

Diamond specifications and retailer prices

From $283 NZD
₹15,194 INR
As of November 1, 2026
Save $627 NZD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,033 NZD 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 November 1, 2026, with a 222% 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
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

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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: Nov 1
Current: $541 NZD|Low: $283 NZD|High: $1,010 NZD|Avg: $616 NZD|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$283 NZD
Retailer 3$363 NZD
Retailer 2$452 NZD
Retailer 1$541 NZD
Retailer 4$597 NZD
Retailer 10$607 NZD
Retailer 7$625 NZD
Retailer 11$642 NZD
Retailer 5$708 NZD
Retailer 9$768 NZD
Retailer 8$910 NZD

27 data points across 11 retailers

16 retailers$283 NZD to $910 NZD

A
Cheapest Retailer
-
$283 NZD
₹15,194 INR
A
Retailer 2
-
$363 NZD
HK$1,600 HKD
View
Retailer 3
-
$449 NZD
$253 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$452 NZD
SGD 344 SGD
View
Retailer 5
-
$506 NZD
$285 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$541 NZD
£240 GBP
View
A
Retailer 7
-
$597 NZD
£265 GBP
View
Retailer 8
-
$605 NZD
$341 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
$607 NZD
$342 USD
View
A
Retailer 10
-
$625 NZD
$352 USD
View
A
Retailer 11
-
$642 NZD
ZAR 5,845 ZAR
View
A
Retailer 12
-
$708 NZD
€380 EUR
View
Retailer 13
-
$719 NZD
A$624 AUD
View
Price last confirmed 29 days ago
A
Retailer 14
-
$768 NZD
$433 USD
View
B+
Retailer 15
-
$910 NZD
£404 GBP
View
Most Expensive
NZ Jewellers
027e8b11-d63c-4f8c-b3d1-1d2fb6cd7704 · Oct 3
$2,033 NZD
$1,146 USD
View
Price last confirmed 30 days ago
15 more retailers have this diamond
Prices start from $283 NZDSave up to $627 NZD

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
$283 NZD