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Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3485471726

Certificate GIA 3485471726

Diamond specifications and retailer prices

From £219 GBP
$294 USD
As of October 31, 2026
Save £662 GBP (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £881 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3485471726. Listed at 15 retailers as of October 30, 2026, with prices from £219 to £881, a £662 spread on the same certified stone. NZ Jewellers lists it at £881. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3485471726
Dimensions4.60 × 4.58 × 2.88 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.60 mm4.58 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3485471726
Side View
Table 56.0%Crown 36°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 62.8%

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: £881 GBP|Low: £204 GBP|High: £898 GBP|Avg: £362 GBP|-1.8%
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
November 1, 2026
Retailer 10£219 GBP
Retailer 15£230 GBP
Retailer 14£239 GBP
Retailer 11£248 GBP
Retailer 6£250 GBP
Retailer 12£257 GBP
Retailer 8£293 GBP
Retailer 13£310 GBP
Retailer 7£328 GBP
Retailer 9£356 GBP
Retailer 5£375 GBP
Retailer 4£377 GBP
Retailer 2£432 GBP
Retailer 3£534 GBP
NZ Jewellers£881 GBP

41 data points across 15 retailers

15 retailers£219 GBP to £881 GBP

A
Cheapest Retailer
-
£219 GBP
$294 USD
A
Retailer 2
-
£230 GBP
$308 USD
View
A
Retailer 3
-
£239 GBP
$320 USD
View
Retailer 4
-
£246 GBP
$330 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
£248 GBP
$332 USD
View
A
Retailer 6
-
£257 GBP
$344 USD
View
A
Retailer 7
-
£293 GBP
View
A
Retailer 8
-
£310 GBP
$415 USD
View
B+
Retailer 9
-
£328 GBP
$440 USD
View
B+
Retailer 10
-
£356 GBP
ZAR 7,716 ZAR
View
Retailer 11
-
£375 GBP
A$774 AUD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
£377 GBP
$505 USD
View
B+
Retailer 13
-
£432 GBP
€551 EUR
View
Retailer 14
-
£534 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
6a9001a2-672b-40bb-aca8-9571ef140a48 · Oct 30
£881 GBP
$1,181 USD
View
14 more retailers have this diamond
Prices start from £219 GBPSave up to £662 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
£219 GBP