CaratHunter
Plans
Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 7551164739

Certificate GIA 7551164739

Diamond specifications and retailer prices

From £1,509 GBP
HK$15,800 HKD
As of October 30, 2026
Save £2,681 GBP (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,190 GBP at NZ Jewellers · As of October 30, 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 very-good cut grade and certified by GIA 7551164739. Listed at 23 retailers as of October 30, 2026, with prices from £1,509 to £4,190, a £2,681 spread on the same certified stone. NZ Jewellers lists it at £4,190. 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 angle37.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551164739
Dimensions6.33 × 6.30 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.33 mm6.30 mm1.02 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551164739
Side View
Table 56.0%Crown 37.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 63.3%

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: £4,190 GBP|Low: £1,509 GBP|High: £4,315 GBP|Avg: £2,141 GBP|-2.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 5£1,509 GBP
Retailer 17£1,635 GBP
Retailer 9£1,640 GBP
Retailer 19£1,642 GBP
Retailer 10£1,675 GBP
Retailer 12£1,676 GBP
Retailer 14£1,793 GBP
Retailer 4£1,816 GBP
Retailer 8£1,816 GBP
Retailer 6£1,899 GBP
Retailer 13£1,934 GBP
Retailer 3£1,978 GBP
Retailer 20£1,978 GBP
Retailer 18£2,045 GBP
Retailer 11£2,095 GBP
Retailer 15£2,129 GBP
Retailer 2£2,351 GBP
Retailer 21£2,440 GBP
Retailer 7£2,452 GBP
Retailer 16£3,530 GBP
NZ Jewellers£4,190 GBP

22 data points across 21 retailers

23 retailers£1,509 GBP to £4,190 GBP

A
Cheapest Retailer
-
£1,509 GBP
HK$15,800 HKD
A
Retailer 2
-
£1,635 GBP
$2,191 USD
View
A
Retailer 3
-
£1,640 GBP
$2,197 USD
View
A
Retailer 4
-
£1,642 GBP
$2,200 USD
View
A
Retailer 5
-
£1,675 GBP
$2,244 USD
View
A
Retailer 6
-
£1,676 GBP
$2,246 USD
View
Final sale: no returns
Retailer 7
-
£1,793 GBP
$2,402 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
£1,816 GBP
$2,433 USD
View
A
Retailer 9
-
£1,816 GBP
$2,433 USD
View
A
Retailer 10
-
£1,899 GBP
$2,545 USD
View
A
Retailer 11
-
£1,934 GBP
View
A
Retailer 12
-
£1,978 GBP
$2,650 USD
View
A
Retailer 13
-
£1,978 GBP
$2,650 USD
View
A
Retailer 14
-
£2,045 GBP
$2,740 USD
View
A
Retailer 15
-
£2,095 GBP
$2,807 USD
View
A
Retailer 16
-
£2,129 GBP
View
Retailer 17
-
£2,319 GBP
A$4,779 AUD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
£2,351 GBP
€3,000 EUR
View
B+
Retailer 19
-
£2,440 GBP
ZAR 52,825 ZAR
View
B+
Retailer 20
-
£2,452 GBP
$3,286 USD
View
Retailer 21
-
£2,534 GBP
$3,395 USD
View
Price last confirmed 39 days ago
B
Retailer 22
-
£3,530 GBP
View
Most Expensive
B
NZ Jewellers
723687b5-8257-4e78-9e2c-530443dba547 · Oct 30
£4,190 GBP
$5,614 USD
View
22 more retailers have this diamond
Prices start from £1,509 GBPSave up to £2,681 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
£1,509 GBP