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Radiant|Natural|GIA

1.61ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6157420707

Certificate GIA 6157420707

Diamond specifications and retailer prices

From £6,912 GBP
$9,251 USD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: £6,912 GBP at Yadav Diamonds
View at Yadav Diamonds

About this 1.61ct natural radiant diamond

This 1.61ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6157420707. Listed at 2 retailers as of November 6, 2026. 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

1.61
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6157420707
Dimensions6.58 × 6.21 × 4.39 mm
L/W Ratio1.06
Top View
6.58 mm6.21 mm1.61 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6157420707
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £5,824 GBP|Low: £5,824 GBP|High: £6,912 GBP|Avg: £6,368 GBP
Retailer 1
Yadav Diamonds
November 2, 2026
Retailer 1£5,824 GBP
Yadav Diamonds£6,912 GBP

3 data points across 2 retailers

2 retailers

Retailer 1
-
£5,817 GBP
Price last confirmed 8 days ago
Most Expensive
B
Yadav Diamonds
13376417 · Nov 6
£6,912 GBP
$9,251 USD
View
1 more retailer has this diamond

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
1.61ct Radiant
£6,912 GBP