Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7446004554

Certificate GIA 7446004554

Diamond specifications and retailer prices

From £205 GBP
₹26,121 INR
As of October 31, 2026
Save £886 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,091 GBP at NZ Jewellers · As of September 24, 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 7446004554. Listed at 20 retailers as of October 30, 2026, with a 433% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7446004554
Dimensions4.59 × 4.56 × 2.85 mm
L/W Ratio1.01
Top View
4.59 mm4.56 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7446004554
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: £1,091 GBP|Low: £204 GBP|High: £1,091 GBP|Avg: £441 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
November 1, 2026
Retailer 8£205 GBP
Retailer 4£269 GBP
Retailer 12£284 GBP
Retailer 10£295 GBP
Retailer 3£307 GBP
Retailer 5£317 GBP
Retailer 7£369 GBP
Retailer 9£441 GBP
Retailer 11£456 GBP
Retailer 2£462 GBP
Retailer 13£583 GBP
Retailer 6£658 GBP
NZ Jewellers£1,091 GBP

35 data points across 13 retailers

20 retailers£205 GBP to £1,091 GBP

A
Cheapest Retailer
-
£205 GBP
₹26,121 INR
A
Retailer 2
-
£269 GBP
$361 USD
View
A
Retailer 3
-
£284 GBP
$381 USD
View
Retailer 4
-
£284 GBP
$381 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
£295 GBP
$395 USD
View
A
Retailer 6
-
£299 GBP
SGD 541 SGD
View
A
Retailer 7
-
£307 GBP
$411 USD
View
A
Retailer 8
-
£317 GBP
$425 USD
View
B+
Retailer 9
-
£369 GBP
View
B+
Retailer 10
-
£382 GBP
$512 USD
View
Retailer 11
-
£383 GBP
$513 USD
View
Price last confirmed 40 days ago
B+
Retailer 12
-
£430 GBP
$576 USD
View
B+
Retailer 13
-
£441 GBP
ZAR 9,553 ZAR
View
B
Retailer 14
-
£449 GBP
View
Retailer 15
-
£456 GBP
A$940 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
£462 GBP
€590 EUR
View
Retailer 17
-
£583 GBP
View
Price last confirmed 32 days ago
B
Retailer 18
-
£658 GBP
View
B
Retailer 19
-
£1,091 GBP
$1,462 USD
View
Most Expensive
NZ Jewellers
c9029478-04a4-40c7-a181-7b09c6678000 · Sep 24
£1,091 GBP
$1,462 USD
View
Price last confirmed 38 days ago
19 more retailers have this diamond
Prices start from £205 GBPSave up to £886 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
£205 GBP