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Round|Natural|GIA

0.37ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6445596049

Certificate GIA 6445596049

Diamond specifications and retailer prices

From £192 GBP
$257 USD
As of October 31, 2026
Save £676 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £868 GBP at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6445596049. Listed at 14 retailers as of October 31, 2026, with prices from £192 to £868, a £676 spread on the same certified stone. NZ Jewellers lists it at £868. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6445596049
Dimensions4.63 × 4.60 × 2.83 mm
L/W Ratio1.01
Top View
4.63 mm4.60 mm0.37 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6445596049
Side View
Table 55.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: £868 GBP|Low: £192 GBP|High: £868 GBP|Avg: £307 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 11£192 GBP
Retailer 10£198 GBP
Retailer 5£206 GBP
Retailer 14£207 GBP
Retailer 13£213 GBP
Retailer 4£222 GBP
Retailer 7£240 GBP
Retailer 3£258 GBP
Retailer 6£278 GBP
Retailer 12£289 GBP
Retailer 8£373 GBP
Retailer 2£394 GBP
Retailer 9£445 GBP
NZ Jewellers£868 GBP

40 data points across 14 retailers

14 retailers£192 GBP to £868 GBP

A
Cheapest Retailer
-
£192 GBP
$257 USD
A
Retailer 2
-
£198 GBP
$265 USD
View
A
Retailer 3
-
£207 GBP
$277 USD
View
A
Retailer 4
-
£213 GBP
$286 USD
View
A
Retailer 5
-
£222 GBP
$298 USD
View
A
Retailer 6
-
£240 GBP
View
A
Retailer 7
-
£258 GBP
$346 USD
View
Retailer 8
-
£278 GBP
View
Price last confirmed 24 days ago
A
Retailer 9
-
£289 GBP
$387 USD
View
A
Retailer 10
-
£373 GBP
€476 EUR
View
B+
Retailer 11
-
£394 GBP
View
B+
Retailer 12
-
£445 GBP
View
B+
Retailer 13
-
£525 GBP
View
Most Expensive
B
NZ Jewellers
60ccb480-1491-46ce-902b-e67124d64277 · Nov 2
£868 GBP
$1,163 USD
View
13 more retailers have this diamond
Prices start from £192 GBPSave up to £676 GBP

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
£192 GBP