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Round|Natural|GIA

0.68ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6425039374

Certificate GIA 6425039374

Diamond specifications and retailer prices

From $802 AUD
HK$4,400 HKD
As of October 30, 2026
Save $2,171 AUD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,327 AUD at NZ Jewellers · As of September 1, 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 6425039374. Listed at 18 retailers as of October 30, 2026, with a 271% 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
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6425039374
Dimensions5.67 × 5.72 × 3.41 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.67 mm5.72 mm0.68 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6425039374
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,972 AUD|Low: $802 AUD|High: $3,267 AUD|Avg: $1,257 AUD|-9.0%
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
November 1, 2026
Retailer 6$802 AUD
Retailer 14$874 AUD
Retailer 5$897 AUD
Retailer 9$948 AUD
Retailer 12$948 AUD
Retailer 4$985 AUD
Retailer 10$985 AUD
Retailer 3$1,093 AUD
Retailer 13$1,130 AUD
Retailer 11$1,136 AUD
Retailer 8$1,163 AUD
Retailer 2$1,345 AUD
Retailer 7$2,189 AUD
NZ Jewellers$2,972 AUD

32 data points across 14 retailers

18 retailers$802 AUD to $2,972 AUD

A
Cheapest Retailer
-
$802 AUD
HK$4,400 HKD
A
Retailer 2
-
$874 AUD
$614 USD
View
Final sale: no returns
A
Retailer 3
-
$897 AUD
$630 USD
View
A
Retailer 4
-
$948 AUD
$666 USD
View
A
Retailer 5
-
$948 AUD
$666 USD
View
A
Retailer 6
-
$985 AUD
SGD 935 SGD
View
A
Retailer 7
-
$985 AUD
$692 USD
View
Retailer 8
-
$1,061 AUD
$745 USD
View
Price last confirmed 61 days ago
A
Retailer 9
-
$1,093 AUD
$768 USD
View
A
Retailer 10
-
$1,130 AUD
£625 GBP
View
A
Retailer 11
-
$1,136 AUD
$798 USD
View
A
Retailer 12
-
$1,163 AUD
£643 GBP
View
Retailer 13
-
$1,227 AUD
$862 USD
View
Price last confirmed 62 days ago
A
Retailer 14
-
$1,345 AUD
€900 EUR
View
B+
Retailer 15
-
$2,189 AUD
£1,211 GBP
View
B
Retailer 16
-
$2,684 AUD
£1,485 GBP
View
B
Retailer 17
-
$2,972 AUD
$2,088 USD
View
Most Expensive
NZ Jewellers
58903925-c4c9-4135-a1b2-a82bcf431f63 · Sep 1
$3,327 AUD
$2,337 USD
View
Price last confirmed 60 days ago
17 more retailers have this diamond
Prices start from $802 AUDSave up to $2,171 AUD

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
$802 AUD