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Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1495990411

Certificate GIA 1495990411

Diamond specifications and retailer prices

From £3,365 GBP
As of November 4, 2026
Save £2,892 GBP (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £8,358 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct 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 1495990411. Listed at 18 retailers as of November 4, 2026, with a 86% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1495990411
Dimensions6.57 × 6.53 × 3.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.57 mm6.53 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1495990411
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,075 GBP|Low: £3,365 GBP|High: £6,350 GBP|Avg: £4,298 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11£3,365 GBP
Retailer 9£3,436 GBP
Retailer 2£3,459 GBP
Retailer 12£3,622 GBP
Retailer 3£3,858 GBP
Retailer 1£4,075 GBP
Retailer 5£4,087 GBP
Retailer 10£4,282 GBP
Retailer 4£4,699 GBP
Retailer 7£4,788 GBP
Retailer 6£5,196 GBP
Retailer 8£6,257 GBP

25 data points across 12 retailers

18 retailers£3,365 GBP to £6,257 GBP

B
Cheapest Retailer
-
£3,365 GBP
Retailer 2
-
£3,436 GBP
View
Price last confirmed 9 days ago
B
Retailer 3
-
£3,459 GBP
View
B
Retailer 4
-
£3,622 GBP
View
Retailer 5
-
£3,858 GBP
View
Price last confirmed 50 days ago
B
Retailer 6
-
£4,075 GBP
View
B
Retailer 7
-
£4,087 GBP
View
Retailer 8
-
£4,282 GBP
View
Price last confirmed 19 days ago
B
Retailer 9
-
£4,302 GBP
View
B
Retailer 10
-
£4,302 GBP
View
B
Retailer 11
-
£4,443 GBP
View
Retailer 12
-
£4,452 GBP
View
Price last confirmed 45 days ago
Retailer 13
-
£4,699 GBP
View
Price last confirmed 14 days ago
B
Retailer 14
-
£4,788 GBP
View
B
Retailer 15
-
£5,196 GBP
View
B
Retailer 16
-
£6,257 GBP
View
Retailer 17
-
£7,124 GBP
View
Price under review
Most Expensive
Diamond Quarter
1.02SI1G14118314N · Nov 5
£8,358 GBP
View
Price under review
17 more retailers have this diamond
Prices start from £3,365 GBPSave up to £2,892 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
1.02ct Round
£3,365 GBP