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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2131949447

Certificate GIA 2131949447

Diamond specifications and retailer prices

From £573 GBP
HK$6,000 HKD
As of October 30, 2026
Save £1,313 GBP (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,886 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2131949447. Listed at 16 retailers as of October 30, 2026, with prices from £573 to £1,886, a £1,313 spread on the same certified stone. NZ Jewellers lists it at £1,886. 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

0.80
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2131949447
Dimensions6.00 × 5.97 × 3.67 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Crystal, Cloud, Knot
Top View
6.00 mm5.97 mm0.80 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2131949447
Side View
Table 58.0%Crown 34.5°Girdle: THN-SLIPavilion 41.2°Culet: NoneDepth 61.2%

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: £1,886 GBP|Low: £573 GBP|High: £1,886 GBP|Avg: £919 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
Retailer 14
Retailer 15
October 30, 2026
Retailer 5£573 GBP
Retailer 6£658 GBP
Retailer 15£713 GBP
Retailer 7£716 GBP
Retailer 11£773 GBP
Retailer 13£773 GBP
Retailer 12£803 GBP
Retailer 3£831 GBP
Retailer 4£873 GBP
Retailer 14£893 GBP
Retailer 8£907 GBP
Retailer 2£1,029 GBP
Retailer 9£1,085 GBP
Retailer 10£1,424 GBP
NZ Jewellers£1,886 GBP

30 data points across 15 retailers

16 retailers£573 GBP to £1,886 GBP

A
Cheapest Retailer
-
£573 GBP
HK$6,000 HKD
A
Retailer 2
-
£713 GBP
$956 USD
View
Final sale: no returns
A
Retailer 3
-
£716 GBP
$960 USD
View
B+
Retailer 4
-
£756 GBP
$1,013 USD
View
B+
Retailer 5
-
£773 GBP
$1,036 USD
View
B+
Retailer 6
-
£773 GBP
$1,036 USD
View
B+
Retailer 7
-
£800 GBP
SGD 1,448 SGD
View
B+
Retailer 8
-
£803 GBP
$1,076 USD
View
B+
Retailer 9
-
£831 GBP
$1,114 USD
View
B+
Retailer 10
-
£873 GBP
$1,170 USD
View
B+
Retailer 11
-
£893 GBP
$1,196 USD
View
B+
Retailer 12
-
£907 GBP
View
B+
Retailer 13
-
£1,029 GBP
View
B
Retailer 14
-
£1,085 GBP
€1,385 EUR
View
B
Retailer 15
-
£1,424 GBP
View
Most Expensive
B
NZ Jewellers
b9a4b255-14d6-4493-9a5c-3ba71835016e · Oct 30
£1,886 GBP
$2,527 USD
View
15 more retailers have this diamond
Prices start from £573 GBPSave up to £1,313 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
0.80ct Round
£573 GBP