Oval|Natural|GIA

3.07ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 703

Certificate GIA 703

Diamond specifications and retailer prices

From £18,502 GBP
$24,791 USD
As of October 31, 2026
Save £3,342 GBP (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £21,844 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.07ct natural oval diamond

This 3.07ct natural oval sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from £18,502 to £21,844, a £3,342 spread on the same certified stone. Blue Nile lists it at £21,844. 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

3.07
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 703
Dimensions11.26 × 7.90 × 5.09 mm
L/W Ratio1.43
Top View
11.26 mm7.90 mm3.07 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 703
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £21,844 GBP|Low: £18,502 GBP|High: £21,844 GBP|Avg: £19,737 GBP
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2£18,502 GBP
Retailer 3£19,918 GBP
Blue Nile£21,844 GBP

2 data points across 3 retailers

3 retailers£18,502 GBP to £21,844 GBP

B+
Cheapest Retailer
-
£18,502 GBP
$24,791 USD
B
Retailer 2
-
£19,918 GBP
$26,687 USD
View
Most Expensive
B
Blue Nile
15007760 · Oct 31
£21,844 GBP
$29,269 USD
View
2 more retailers have this diamond
Prices start from £18,502 GBPSave up to £3,342 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+
3.07ct Oval
£18,502 GBP