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Round|Natural|GIA

1.07ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6555788132

Certificate GIA 6555788132

Diamond specifications and retailer prices

From £1,957 GBP
$2,622 USD
As of November 2, 2026
Save £2,476 GBP (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,433 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.07ct natural round diamond

This 1.07ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555788132. Listed at 16 retailers as of October 30, 2026, with prices from £1,957 to £4,433, a £2,476 spread on the same certified stone. NZ Jewellers lists it at £4,433. 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

1.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555788132
Dimensions6.54 × 6.51 × 4.06 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Needle
Top View
6.54 mm6.51 mm1.07 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555788132
Side View
Table 56.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: Nov 2
Current: £4,433 GBP|Low: £1,814 GBP|High: £4,433 GBP|Avg: £2,542 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
Retailer 16
November 2, 2026
Retailer 16£1,814 GBP
Retailer 7£1,957 GBP
Retailer 10£2,040 GBP
Retailer 3£2,041 GBP
Retailer 6£2,120 GBP
Retailer 14£2,120 GBP
Retailer 13£2,202 GBP
Retailer 2£2,253 GBP
Retailer 8£2,356 GBP
Retailer 9£2,371 GBP
Retailer 5£2,415 GBP
Retailer 15£2,446 GBP
Retailer 4£2,498 GBP
Retailer 11£2,606 GBP
Retailer 12£3,734 GBP
NZ Jewellers£4,433 GBP

27 data points across 16 retailers

16 retailers£1,957 GBP to £4,433 GBP

Retailer 1
-
£1,814 GBP
€2,314 EUR
Price last confirmed 6 days ago
A
Retailer 2
-
£1,957 GBP
$2,622 USD
View
Final sale: no returns
A
Retailer 3
-
£2,040 GBP
View
A
Retailer 4
-
£2,041 GBP
$2,735 USD
View
A
Retailer 5
-
£2,120 GBP
$2,841 USD
View
B+
Retailer 6
-
£2,202 GBP
$2,950 USD
View
B+
Retailer 7
-
£2,253 GBP
View
Retailer 8
-
£2,254 GBP
$3,020 USD
View
Price last confirmed 17 days ago
Retailer 9
-
£2,356 GBP
A$4,857 AUD
View
Price last confirmed 35 days ago
B+
Retailer 10
-
£2,371 GBP
€3,026 EUR
View
B+
Retailer 11
-
£2,415 GBP
$3,235 USD
View
B+
Retailer 12
-
£2,446 GBP
$3,278 USD
View
B+
Retailer 13
-
£2,498 GBP
View
B+
Retailer 14
-
£2,606 GBP
ZAR 56,417 ZAR
View
B
Retailer 15
-
£3,734 GBP
View
Most Expensive
B
NZ Jewellers
4bf644c6-e08e-4254-b50d-934d7c0d016e · Oct 30
£4,433 GBP
$5,940 USD
View
15 more retailers have this diamond
Prices start from £1,957 GBPSave up to £2,476 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
1.07ct Round
£1,957 GBP