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Radiant|Natural|GIA

1.81ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2504516993

Certificate GIA 2504516993

Diamond specifications and retailer prices

From £6,896 GBP
$9,254 USD
As of November 2, 2026
Save £2,327 GBP (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £9,223 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.81ct natural radiant diamond

This 1.81ct natural radiant sits in the one-and-a-half to two carat band, graded G 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 2504516993. Listed at 7 retailers as of November 2, 2026, with prices from £6,896 to £9,223, a £2,327 spread on the same certified stone. 77 Diamonds lists it at £9,223. 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

1.81
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2504516993
Dimensions7.55 × 6.00 × 4.12 mm
L/W Ratio1.26
Top View
7.55 mm6.00 mm1.81 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2504516993
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: Nov 2
Current: £9,223 GBP|Low: £6,830 GBP|High: £9,279 GBP|Avg: £8,000 GBP|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£6,896 GBP
Retailer 5£7,572 GBP
Retailer 3£7,655 GBP
Retailer 2£8,857 GBP
77 Diamonds£9,223 GBP

32 data points across 5 retailers

7 retailers£6,896 GBP to £9,223 GBP

B+
Cheapest Retailer
-
£6,896 GBP
$9,254 USD
B+
Retailer 2
-
£7,455 GBP
A$15,390 AUD
View
B+
Retailer 3
-
£7,572 GBP
$10,161 USD
View
B+
Retailer 4
-
£7,655 GBP
$10,272 USD
View
Final sale: no returns
B
Retailer 5
-
£8,857 GBP
$11,885 USD
View
Retailer 6
-
£8,857 GBP
$11,885 USD
View
Price last confirmed 28 days ago
Most Expensive
B
77 Diamonds
RADZQ5YANYTH · Nov 2
£9,223 GBP
View
6 more retailers have this diamond
Prices start from £6,896 GBPSave up to £2,327 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+
1.81ct Radiant
£6,896 GBP