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Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563597453

Certificate GIA 1563597453

Diamond specifications and retailer prices

From £184 GBP
₹23,456 INR
As of November 1, 2026
Save £786 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £970 GBP at NZ Jewellers · As of October 30, 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 1563597453. Listed at 18 retailers as of October 30, 2026, with prices from £184 to £970, a £786 spread on the same certified stone. NZ Jewellers lists it at £970. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1563597453
Dimensions4.58 × 4.63 × 2.86 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
4.58 mm4.63 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1563597453
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.1%

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: Nov 1
Current: £970 GBP|Low: £184 GBP|High: £970 GBP|Avg: £359 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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 13£184 GBP
Retailer 8£220 GBP
Retailer 16£251 GBP
Retailer 5£267 GBP
Retailer 6£272 GBP
Retailer 10£280 GBP
Retailer 9£286 GBP
Retailer 11£322 GBP
Retailer 3£337 GBP
Retailer 14£348 GBP
Retailer 17£365 GBP
Retailer 4£392 GBP
Retailer 15£396 GBP
Retailer 12£422 GBP
Retailer 2£508 GBP
Retailer 7£588 GBP
NZ Jewellers£970 GBP

10 data points across 17 retailers

18 retailers£184 GBP to £970 GBP

A
Cheapest Retailer
-
£184 GBP
₹23,456 INR
A
Retailer 2
-
£220 GBP
HK$2,300 HKD
View
A
Retailer 3
-
£251 GBP
$336 USD
View
A
Retailer 4
-
£267 GBP
$358 USD
View
A
Retailer 5
-
£272 GBP
$365 USD
View
A
Retailer 6
-
£280 GBP
$375 USD
View
A
Retailer 7
-
£281 GBP
A$580 AUD
View
A
Retailer 8
-
£286 GBP
$383 USD
View
B+
Retailer 9
-
£322 GBP
View
B+
Retailer 10
-
£337 GBP
$452 USD
View
B+
Retailer 11
-
£348 GBP
$467 USD
View
B+
Retailer 12
-
£365 GBP
$489 USD
View
B+
Retailer 13
-
£392 GBP
ZAR 8,496 ZAR
View
B+
Retailer 14
-
£396 GBP
$530 USD
View
B+
Retailer 15
-
£422 GBP
€539 EUR
View
B+
Retailer 16
-
£508 GBP
View
B
Retailer 17
-
£588 GBP
View
Most Expensive
B
NZ Jewellers
ce48080e-8bf0-4d5a-9d79-e29f00f23944 · Oct 30
£970 GBP
$1,300 USD
View
17 more retailers have this diamond
Prices start from £184 GBPSave up to £786 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
£184 GBP