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Round|Natural|GIA

0.83ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 1236720277

Certificate GIA 1236720277

Diamond specifications and retailer prices

From £810 GBP
As of October 27, 2026
Save £1,386 GBP (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,196 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.83ct natural round diamond

This 0.83ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1236720277. Listed at 4 retailers as of October 27, 2026, with prices from £810 to £2,196, a £1,386 spread on the same certified stone. NZ Jewellers lists it at £2,196. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.83
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1236720277
Dimensions6.04 × 6.07 × 3.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeVery Small
Key to symbols
Feather
Top View
6.04 mm6.07 mm0.83 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1236720277
Side View
Table 56.0%Crown 34°Girdle: MediumPavilion 40.4°Culet: Very SmallDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £2,196 GBP|Low: £772 GBP|High: £2,196 GBP|Avg: £1,249 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2£810 GBP
Retailer 3£982 GBP
Retailer 5£1,017 GBP
Retailer 4£1,284 GBP
NZ Jewellers£2,196 GBP

22 data points across 5 retailers

4 retailers£810 GBP to £2,196 GBP

B+
Cheapest Retailer
-
£810 GBP
B+
Retailer 2
-
£982 GBP
€1,245 EUR
View
B
Retailer 3
-
£1,284 GBP
View
Most Expensive
C
NZ Jewellers
30b08cdc-b2e3-4cab-ac4a-3f8fe143b6e2 · Oct 30
£2,196 GBP
$2,924 USD
View
3 more retailers have this diamond
Prices start from £810 GBPSave up to £1,386 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.

B+
0.83ct Round
£810 GBP