Round|Natural|GIA

1.07ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1226316730

Certificate GIA 1226316730

Diamond specifications and retailer prices

From £3,387 GBP
As of November 2, 2026
19 retailers carry this diamond
Most expensive: £8,586 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 1226316730. Listed at 19 retailers as of November 2, 2026. 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 angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1226316730
Dimensions6.58 × 6.55 × 4.04 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.58 mm6.55 mm1.07 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1226316730
Side View
Table 60.0%Crown 33°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £3,387 GBP|Low: £2,356 GBP|High: £4,925 GBP|Avg: £3,136 GBP|+17.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£2,388 GBP
Retailer 6£2,396 GBP
Retailer 10£2,738 GBP
Retailer 5£2,799 GBP
Retailer 8£2,989 GBP
Retailer 9£3,120 GBP
Retailer 3£3,273 GBP
Retailer 1£3,387 GBP
Retailer 4£3,512 GBP
Retailer 7£4,893 GBP

40 data points across 10 retailers

19 retailers

Retailer 1
-
£2,340 GBP
$3,135 USD
Price last confirmed 9 days ago
Retailer 2
-
£2,388 GBP
$3,199 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£2,396 GBP
$3,210 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£2,538 GBP
$3,400 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£2,636 GBP
$3,532 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£2,641 GBP
$3,539 USD
View
Price last confirmed 14 days ago
Retailer 7
-
£2,738 GBP
$3,668 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£2,799 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
£2,989 GBP
$4,005 USD
View
Price last confirmed 11 days ago
Retailer 10
-
£2,989 GBP
$4,005 USD
View
Price last confirmed 27 days ago
Retailer 11
-
£3,042 GBP
$4,076 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£3,120 GBP
A$6,431 AUD
View
Price last confirmed 29 days ago
Retailer 13
-
£3,273 GBP
€4,177 EUR
View
Price last confirmed 10 days ago
Retailer 14
-
£3,294 GBP
$4,414 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
£3,387 GBP
View
Retailer 16
-
£3,512 GBP
ZAR 76,018 ZAR
View
Price last confirmed 10 days ago
Retailer 17
-
£4,893 GBP
View
Price last confirmed 14 days ago
Retailer 18
-
£5,070 GBP
$6,793 USD
View
Price last confirmed 12 days ago
Most Expensive
Diamond Quarter
1.07SI1G1230ADB2N · Oct 31
£8,586 GBP
View
Price under review
18 more retailers have this diamond
Prices start from £3,387 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
1.07ct Round
£3,387 GBP