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Round|Natural|GIA

3.02ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2508983946

Certificate GIA 2508983946

Diamond specifications and retailer prices

From £18,263 GBP
As of November 5, 2026
Save £17,388 GBP (49%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £35,652 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 3.02ct natural round diamond

This 3.02ct 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 2508983946. Listed at 26 retailers as of November 5, 2026, with prices from £18,263 to £35,652, a £17,388 spread on the same certified stone. Diamond Quarter lists it at £35,652. 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

3.02
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2508983946
Dimensions9.27 × 9.19 × 5.72 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.27 mm9.19 mm3.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2508983946
Side View
Table 59.0%Crown 33°Girdle: ThickPavilion 41.8°Culet: NoneDepth 61.9%

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 5
Current: £22,163 GBP|Low: £18,263 GBP|High: £32,191 GBP|Avg: £22,981 GBP|-3.2%
Retailer 1
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
Retailer 18
November 6, 2026
Retailer 18£18,263 GBP
Retailer 15£18,275 GBP
Retailer 6£18,611 GBP
Retailer 14£18,847 GBP
Retailer 4£19,223 GBP
Retailer 7£19,386 GBP
Retailer 2£19,518 GBP
Retailer 12£20,044 GBP
Retailer 8£20,844 GBP
Retailer 16£20,895 GBP
Retailer 17£21,731 GBP
Retailer 9£22,089 GBP
Retailer 1£22,163 GBP
Retailer 10£22,567 GBP
Retailer 5£23,635 GBP
Retailer 13£24,149 GBP
Retailer 11£25,824 GBP
Retailer 3£31,244 GBP

21 data points across 18 retailers

26 retailers£18,263 GBP to £35,652 GBP

A
Cheapest Retailer
-
£18,263 GBP
A
Retailer 2
-
£18,275 GBP
View
A
Retailer 3
-
£18,611 GBP
View
A
Retailer 4
-
£18,847 GBP
View
A
Retailer 5
-
£19,223 GBP
View
Final sale: no returns
A
Retailer 6
-
£19,386 GBP
View
A
Retailer 7
-
£19,518 GBP
View
A
Retailer 8
-
£20,044 GBP
View
Retailer 9
-
£20,502 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£20,643 GBP
View
B+
Retailer 11
-
£20,844 GBP
View
B+
Retailer 12
-
£20,895 GBP
View
B+
Retailer 13
-
£21,731 GBP
View
B+
Retailer 14
-
£22,089 GBP
View
B+
Retailer 15
-
£22,163 GBP
View
Retailer 16
-
£22,210 GBP
View
Price last confirmed 38 days ago
B+
Retailer 17
-
£22,567 GBP
View
Retailer 18
-
£22,579 GBP
View
Price last confirmed 14 days ago
Retailer 19
-
£23,065 GBP
View
Price last confirmed 38 days ago
B+
Retailer 20
-
£23,635 GBP
View
B+
Retailer 21
-
£24,149 GBP
View
Retailer 22
-
£25,141 GBP
View
Price last confirmed 33 days ago
B+
Retailer 23
-
£25,824 GBP
View
Retailer 24
-
£27,502 GBP
View
Price last confirmed 29 days ago
B
Retailer 25
-
£31,244 GBP
View
Most Expensive
B
Diamond Quarter
3.02SI1H2546BF57N · Nov 5
£35,652 GBP
View
25 more retailers have this diamond
Prices start from £18,263 GBPSave up to £17,388 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
3.02ct Round
£18,263 GBP