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Radiant|Natural|GIA

0.85ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 7566652886

Certificate GIA 7566652886

Diamond specifications and retailer prices

From £657 GBP
₹83,851 INR
As of November 1, 2026
Save £1,501 GBP (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,158 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.85ct natural radiant diamond

This 0.85ct natural radiant sits in the just-under-one-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 7566652886. Listed at 14 retailers as of October 30, 2026, with prices from £657 to £2,158, a £1,501 spread on the same certified stone. NZ Jewellers lists it at £2,158. 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

0.85
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7566652886
Dimensions6.26 × 4.82 × 3.25 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Cloud
Top View
6.26 mm4.82 mm0.85 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7566652886
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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 1
Current: £2,158 GBP|Low: £650 GBP|High: £2,158 GBP|Avg: £1,018 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 2£657 GBP
Retailer 8£659 GBP
Retailer 11£816 GBP
Retailer 3£884 GBP
Retailer 5£915 GBP
Retailer 9£919 GBP
Retailer 4£959 GBP
Retailer 10£978 GBP
Retailer 13£987 GBP
Retailer 12£1,021 GBP
Retailer 6£1,115 GBP
Retailer 7£1,620 GBP
NZ Jewellers£2,158 GBP

10 data points across 13 retailers

14 retailers£657 GBP to £2,158 GBP

A
Cheapest Retailer
-
£657 GBP
₹83,851 INR
A
Retailer 2
-
£659 GBP
HK$6,900 HKD
View
A
Retailer 3
-
£787 GBP
A$1,623 AUD
View
B+
Retailer 4
-
£816 GBP
$1,094 USD
View
Final sale: no returns
A
Retailer 5
-
£884 GBP
$1,185 USD
View
A
Retailer 6
-
£915 GBP
SGD 1,656 SGD
View
A
Retailer 7
-
£919 GBP
$1,231 USD
View
A
Retailer 8
-
£959 GBP
$1,285 USD
View
B+
Retailer 9
-
£978 GBP
$1,310 USD
View
B+
Retailer 10
-
£987 GBP
$1,322 USD
View
B+
Retailer 11
-
£1,021 GBP
$1,368 USD
View
B+
Retailer 12
-
£1,115 GBP
View
B
Retailer 13
-
£1,620 GBP
View
Most Expensive
B
NZ Jewellers
78755d49-3a5a-4d2e-8c10-4bca95a5192e · Oct 30
£2,158 GBP
$2,891 USD
View
13 more retailers have this diamond
Prices start from £657 GBPSave up to £1,501 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
0.85ct Radiant
£657 GBP