Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1568038340

Certificate GIA 1568038340

Diamond specifications and retailer prices

From £2,396 GBP
$3,211 USD
As of October 30, 2026
Save £1,969 GBP (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,568 GBP at NZ Jewellers · As of October 20, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568038340. Listed at 18 retailers as of October 29, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1568038340
Dimensions6.38 × 6.43 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Needle, Feather
Top View
6.38 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568038340
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: £4,568 GBP|Low: £1,911 GBP|High: £4,568 GBP|Avg: £2,913 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
October 30, 2026
Retailer 5£1,911 GBP
Retailer 6£2,327 GBP
Retailer 11£2,396 GBP
Retailer 13£2,412 GBP
Retailer 2£2,506 GBP
Retailer 7£2,715 GBP
Retailer 3£2,723 GBP
Retailer 14£2,811 GBP
Retailer 10£3,014 GBP
Retailer 4£3,025 GBP
Retailer 9£3,035 GBP
Retailer 12£3,164 GBP
Retailer 8£4,366 GBP
NZ Jewellers£4,568 GBP

39 data points across 14 retailers

18 retailers£2,396 GBP to £4,366 GBP

Retailer 1
-
£1,911 GBP
HK$20,000 HKD
Price last confirmed 7 days ago
Retailer 2
-
£2,327 GBP
$3,118 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£2,396 GBP
$3,211 USD
View
Final sale: no returns
A
Retailer 4
-
£2,412 GBP
SGD 4,368 SGD
View
B+
Retailer 5
-
£2,506 GBP
View
Retailer 6
-
£2,622 GBP
$3,513 USD
View
Price last confirmed 14 days ago
Retailer 7
-
£2,686 GBP
SGD 4,863 SGD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£2,715 GBP
View
Retailer 9
-
£2,723 GBP
$3,648 USD
View
Price last confirmed 8 days ago
Retailer 10
-
£2,811 GBP
A$5,795 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
£2,870 GBP
$3,846 USD
View
B+
Retailer 12
-
£3,014 GBP
View
Retailer 13
-
£3,025 GBP
$4,053 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£3,035 GBP
€3,873 EUR
View
Retailer 15
-
£3,164 GBP
ZAR 68,490 ZAR
View
Price last confirmed 8 days ago
B
Retailer 16
-
£3,714 GBP
$4,977 USD
View
B
Retailer 17
-
£4,366 GBP
View
Most Expensive
NZ Jewellers
4d0e2a06-9c7a-4727-8aeb-dfd30bc267a8 · Oct 20
£4,568 GBP
$6,120 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from £2,396 GBPSave up to £1,969 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
£2,396 GBP