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Round|Natural|GIA

0.85ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1543034223

Certificate GIA 1543034223

Diamond specifications and retailer prices

From £908 GBP
$1,216 USD
As of October 30, 2026
Save £593 GBP (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,500 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 1543034223. Listed at 9 retailers as of October 26, 2026, with prices from £908 to £1,500, a £593 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,500. 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
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1543034223
Dimensions6.02 × 5.98 × 3.80 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
6.02 mm5.98 mm0.85 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543034223
Side View
Table 57.0%Crown 36°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 63.3%

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 30
Current: £1,199 GBP|Low: £1,096 GBP|High: £1,559 GBP|Avg: £1,303 GBP|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4£1,096 GBP
Retailer 1£1,199 GBP
Retailer 3£1,294 GBP
Retailer 2£1,369 GBP
Retailer 5£1,559 GBP

42 data points across 5 retailers

9 retailers£908 GBP to £1,500 GBP

A
Cheapest Retailer
-
£908 GBP
$1,216 USD
B+
Retailer 2
-
£1,096 GBP
$1,469 USD
View
B+
Retailer 3
-
£1,164 GBP
$1,560 USD
View
B+
Retailer 4
-
£1,164 GBP
$1,560 USD
View
B+
Retailer 5
-
£1,199 GBP
View
B+
Retailer 6
-
£1,209 GBP
$1,620 USD
View
B+
Retailer 7
-
£1,294 GBP
View
B+
Retailer 8
-
£1,369 GBP
€1,747 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
255871757 · Oct 26
£1,500 GBP
$2,010 USD
View
8 more retailers have this diamond
Prices start from £908 GBPSave up to £593 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
£908 GBP