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Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1507848094

Certificate GIA 1507848094

Diamond specifications and retailer prices

From £22,796 GBP
A$46,992 AUD
As of October 31, 2026
Save £16,413 GBP (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £39,210 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1507848094. Listed at 10 retailers as of October 31, 2026, with prices from £22,796 to £39,210, a £16,413 spread on the same certified stone. Diamond Quarter lists it at £39,210. 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

3.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1507848094
Dimensions9.09 × 9.21 × 5.72 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Cloud, Crystal, Needle, Indented Natural
Top View
9.09 mm9.21 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1507848094
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £28,167 GBP|Low: £21,279 GBP|High: £37,550 GBP|Avg: £26,810 GBP|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£24,038 GBP
Retailer 5£24,308 GBP
Retailer 7£24,747 GBP
Retailer 8£25,279 GBP
Retailer 6£25,963 GBP
Retailer 4£26,711 GBP
Retailer 1£28,167 GBP
Retailer 2£37,301 GBP

30 data points across 8 retailers

10 retailers£22,796 GBP to £39,210 GBP

B+
Cheapest Retailer
-
£22,796 GBP
A$46,992 AUD
B+
Retailer 2
-
£24,038 GBP
$32,208 USD
View
Final sale: no returns
B+
Retailer 3
-
£24,308 GBP
$32,570 USD
View
B+
Retailer 4
-
£24,747 GBP
$33,158 USD
View
B+
Retailer 5
-
£25,279 GBP
$33,871 USD
View
B+
Retailer 6
-
£25,963 GBP
$34,787 USD
View
Retailer 7
-
£26,711 GBP
View
Price last confirmed 31 days ago
B
Retailer 8
-
£28,167 GBP
€35,943 EUR
View
B
Retailer 9
-
£37,301 GBP
View
Most Expensive
B
Diamond Quarter
3.0SI1H1594416DN · Oct 31
£39,210 GBP
View
9 more retailers have this diamond
Prices start from £22,796 GBPSave up to £16,413 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.

B+
3.00ct Round
£22,796 GBP