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Round|Natural|GIA

1.02ct E I1 Round Natural Diamond

EX • E/I1 • GIA 1232617221

Certificate GIA 1232617221

Diamond specifications and retailer prices

From £1,337 GBP
HK$14,000 HKD
As of October 30, 2026
Save £868 GBP (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,692 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1232617221. Listed at 10 retailers as of October 30, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1232617221
Dimensions6.46 × 6.44 × 3.98 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity
Top View
6.46 mm6.44 mm1.02 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232617221
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°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 30
Current: £2,205 GBP|Low: £1,337 GBP|High: £2,205 GBP|Avg: £1,758 GBP|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£1,337 GBP
Retailer 2£1,426 GBP
Retailer 3£1,661 GBP
Retailer 6£1,692 GBP
Retailer 5£1,766 GBP
Retailer 7£2,101 GBP
Retailer 1£2,205 GBP

43 data points across 7 retailers

10 retailers£1,337 GBP to £2,205 GBP

A
Cheapest Retailer
-
£1,337 GBP
HK$14,000 HKD
A
Retailer 2
-
£1,426 GBP
₹181,952 INR
View
Retailer 3
-
£1,661 GBP
$2,225 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£1,692 GBP
$2,267 USD
View
Retailer 5
-
£1,766 GBP
$2,366 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£1,766 GBP
$2,366 USD
View
Price last confirmed 14 days ago
Retailer 7
-
£1,847 GBP
$2,475 USD
View
Price last confirmed 15 days ago
Retailer 8
-
£2,037 GBP
$2,730 USD
View
Price last confirmed 12 days ago
B
Retailer 9
-
£2,205 GBP
€2,814 EUR
View
Most Expensive
NZ Jewellers
9b93491a-8a8d-4ad2-8fc8-42b1dcfa4321 · Oct 17
£3,692 GBP
$4,947 USD
View
Price last confirmed 13 days ago
9 more retailers have this diamond
Prices start from £1,337 GBPSave up to £868 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
1.02ct Round
£1,337 GBP