CaratHunter
Plans
Round|Natural|GIA

0.85ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6461680501

Certificate GIA 6461680501

Diamond specifications and retailer prices

From £943 GBP
$1,263 USD
As of October 31, 2026
Save £752 GBP (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,695 GBP at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 0.85ct natural round diamond

This 0.85ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6461680501. Listed at 5 retailers as of October 30, 2026, with prices from £943 to £1,695, a £752 spread on the same certified stone. 77 Diamonds lists it at £1,695. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6461680501
Dimensions6.04 × 5.99 × 3.70 mm
L/W Ratio1.01
Top View
6.04 mm5.99 mm0.85 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6461680501
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.7%

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: Oct 31
Current: £1,695 GBP|Low: £943 GBP|High: £1,706 GBP|Avg: £1,247 GBP|+1.8%
77 Diamonds
Retailer 2
Retailer 3
October 30, 2026
Retailer 3£943 GBP
Retailer 2£1,108 GBP
77 Diamonds£1,695 GBP

35 data points across 3 retailers

5 retailers£943 GBP to £1,695 GBP

A
Cheapest Retailer
-
£943 GBP
$1,263 USD
B+
Retailer 2
-
£1,057 GBP
$1,416 USD
View
B+
Retailer 3
-
£1,108 GBP
$1,485 USD
View
B+
Retailer 4
-
£1,134 GBP
$1,520 USD
View
Most Expensive
B
77 Diamonds
RBZA7TD6EJC · Oct 30
£1,695 GBP
View
4 more retailers have this diamond
Prices start from £943 GBPSave up to £752 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 Round
£943 GBP