Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6212215254

Certificate GIA 6212215254

Diamond specifications and retailer prices

From £2,789 GBP
$3,737 USD
As of October 30, 2026
Save £4,589 GBP (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,378 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6212215254. Listed at 19 retailers as of October 29, 2026, with prices from £2,789 to £7,378, a £4,589 spread on the same certified stone. Diamond Quarter lists it at £7,378. 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

1.02
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6212215254
Dimensions6.39 × 6.35 × 3.99 mm
L/W Ratio1.01
Top View
6.39 mm6.35 mm1.02 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6212215254
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.6%

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 30
Current: £3,059 GBP|Low: £2,855 GBP|High: £5,364 GBP|Avg: £3,518 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£2,855 GBP
Retailer 7£2,925 GBP
Retailer 9£3,011 GBP
Retailer 1£3,059 GBP
Retailer 2£3,222 GBP
Retailer 8£3,380 GBP
Retailer 3£3,392 GBP
Retailer 4£3,859 GBP
Retailer 5£5,307 GBP

38 data points across 9 retailers

19 retailers£2,789 GBP to £7,378 GBP

B+
Cheapest Retailer
-
£2,789 GBP
$3,737 USD
Retailer 2
-
£2,855 GBP
$3,825 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£2,925 GBP
$3,919 USD
View
Final sale: no returns
B+
Retailer 4
-
£3,011 GBP
$4,035 USD
View
B+
Retailer 5
-
£3,059 GBP
View
Retailer 6
-
£3,169 GBP
$4,246 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
£3,169 GBP
$4,246 USD
View
Retailer 8
-
£3,169 GBP
$4,246 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
£3,222 GBP
View
Retailer 10
-
£3,380 GBP
A$6,968 AUD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
£3,392 GBP
€4,328 EUR
View
Retailer 12
-
£3,657 GBP
$4,900 USD
View
Price last confirmed 31 days ago
B
Retailer 13
-
£3,657 GBP
$4,900 USD
View
B
Retailer 14
-
£3,859 GBP
ZAR 83,537 ZAR
View
B
Retailer 15
-
£4,313 GBP
€5,504 EUR
View
B
Retailer 16
-
£5,307 GBP
View
Retailer 17
-
£5,521 GBP
$7,398 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
£5,521 GBP
$7,398 USD
View
Most Expensive
B
Diamond Quarter
1.02SI1D62540785N · Oct 29
£7,378 GBP
View
18 more retailers have this diamond
Prices start from £2,789 GBPSave up to £4,589 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+
1.02ct Round
£2,789 GBP