Round|Natural|GIA

0.68ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7558499687

Certificate GIA 7558499687

Diamond specifications and retailer prices

From £575 GBP
$770 USD
As of October 26, 2026
Save £491 GBP (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,770 GBP at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.68ct natural round diamond

This 0.68ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558499687. Listed at 13 retailers as of October 26, 2026, with a 85% 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

0.68
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558499687
Dimensions5.68 × 5.64 × 3.48 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.68 mm5.64 mm0.68 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558499687
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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 26
Current: £687 GBP|Low: £564 GBP|High: £1,065 GBP|Avg: £715 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6£564 GBP
Retailer 5£575 GBP
Retailer 2£686 GBP
Retailer 1£687 GBP
Retailer 3£819 GBP
Retailer 4£1,065 GBP

43 data points across 6 retailers

13 retailers£575 GBP to £1,065 GBP

Retailer 1
-
£564 GBP
$756 USD
Price last confirmed 48 days ago
Retailer 2
-
£564 GBP
$756 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£564 GBP
$756 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
£575 GBP
$770 USD
View
Retailer 5
-
£586 GBP
$785 USD
View
Price last confirmed 33 days ago
Retailer 6
-
£652 GBP
$873 USD
View
Price last confirmed 55 days ago
Retailer 7
-
£652 GBP
$873 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
£686 GBP
View
A
Retailer 9
-
£687 GBP
View
B+
Retailer 10
-
£819 GBP
€1,045 EUR
View
B+
Retailer 11
-
£1,065 GBP
View
Retailer 12
-
£1,770 GBP
$2,372 USD
View
Price last confirmed 49 days ago
Most Expensive
NZ Jewellers
846a5433-ab74-4149-bfa8-1cf708d6d11e · Sep 24
£1,770 GBP
$2,372 USD
View
Price last confirmed 38 days ago
12 more retailers have this diamond
Prices start from £575 GBPSave up to £491 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
0.68ct Round
£575 GBP