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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 $999 NZD
HK$4,400 HKD
As of November 1, 2026
Save $2,705 NZD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,147 NZD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,705 NZD|Low: $999 NZD|High: $4,072 NZD|Avg: $1,567 NZD|-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$999 NZD
Retailer 14$1,089 NZD
Retailer 5$1,118 NZD
Retailer 9$1,182 NZD
Retailer 12$1,182 NZD
Retailer 4$1,228 NZD
Retailer 10$1,228 NZD
Retailer 3$1,363 NZD
Retailer 13$1,408 NZD
Retailer 11$1,416 NZD
Retailer 8$1,450 NZD
Retailer 2$1,677 NZD
Retailer 7$2,729 NZD
NZ Jewellers$3,705 NZD

32 data points across 14 retailers

18 retailers$999 NZD to $3,705 NZD

A
Cheapest Retailer
-
$999 NZD
HK$4,400 HKD
A
Retailer 2
-
$1,089 NZD
$614 USD
View
Final sale: no returns
A
Retailer 3
-
$1,118 NZD
$630 USD
View
A
Retailer 4
-
$1,182 NZD
$666 USD
View
A
Retailer 5
-
$1,182 NZD
$666 USD
View
A
Retailer 6
-
$1,228 NZD
SGD 935 SGD
View
A
Retailer 7
-
$1,228 NZD
$692 USD
View
Retailer 8
-
$1,322 NZD
$745 USD
View
Price last confirmed 62 days ago
A
Retailer 9
-
$1,363 NZD
$768 USD
View
A
Retailer 10
-
$1,408 NZD
£625 GBP
View
A
Retailer 11
-
$1,416 NZD
$798 USD
View
A
Retailer 12
-
$1,450 NZD
£643 GBP
View
Retailer 13
-
$1,529 NZD
$862 USD
View
Price last confirmed 63 days ago
A
Retailer 14
-
$1,677 NZD
€900 EUR
View
B+
Retailer 15
-
$2,729 NZD
£1,211 GBP
View
B
Retailer 16
-
$3,346 NZD
£1,485 GBP
View
B
Retailer 17
-
$3,705 NZD
$2,088 USD
View
Most Expensive
NZ Jewellers
58903925-c4c9-4135-a1b2-a82bcf431f63 · Sep 1
$4,147 NZD
$2,337 USD
View
Price last confirmed 61 days ago
17 more retailers have this diamond
Prices start from $999 NZDSave up to $2,705 NZD

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
$999 NZD