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Radiant|Natural|GIA

1.61ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 7482515964

Certificate GIA 7482515964

Diamond specifications and retailer prices

From £3,909 GBP
As of November 6, 2026
Save £2,576 GBP (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,485 GBP at Cape Diamonds · As of November 5, 2026
View at Cape 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 I 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 7482515964. Listed at 6 retailers as of November 5, 2026, with prices from £3,909 to £6,485, a £2,576 spread on the same certified stone. Cape Diamonds lists it at £6,485. 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
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7482515964
Dimensions6.85 × 6.19 × 4.32 mm
L/W Ratio1.11
Cert comments
Pinpoints are not shown. Surface graining is not shown.
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.85 mm6.19 mm1.61 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7482515964
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.9%

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 6
Current: £6,485 GBP|Low: £3,909 GBP|High: £6,530 GBP|Avg: £4,543 GBP|+0.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2£3,909 GBP
Retailer 5£4,152 GBP
Retailer 4£4,204 GBP
Retailer 3£4,256 GBP
Cape Diamonds£6,485 GBP

7 data points across 5 retailers

6 retailers£3,909 GBP to £6,485 GBP

A
Cheapest Retailer
-
£3,909 GBP
A
Retailer 2
-
£4,152 GBP
View
A
Retailer 3
-
£4,204 GBP
View
A
Retailer 4
-
£4,256 GBP
View
B+
Retailer 5
-
£4,362 GBP
View
Most Expensive
B
Cape Diamonds
cert_7482515964 · Nov 5
£6,485 GBP
ZAR 140,231 ZAR
View
5 more retailers have this diamond
Prices start from £3,909 GBPSave up to £2,576 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
1.61ct Radiant
£3,909 GBP