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Round|Lab Grown|GIA

6.30ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GIA 5473831685

Certificate GIA 5473831685

Diamond specifications and retailer prices

From $1,901 AUD
$1,335 USD
As of November 1, 2026
Save $6,157 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,898 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 6.3ct lab-grown round diamond

This 6.3ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5473831685. Listed at 11 retailers as of November 1, 2026, with a 324% 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

6.30
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 5473831685
Dimensions11.95 × 12.00 × 7.18 mm
L/W Ratio1.00
Top View
11.95 mm12.00 mm6.30 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5473831685
Side View
Table 59.0%Crown 34°Girdle: MTS-MTSPavilion 40.6°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: $12,898 AUD|Low: $1,697 AUD|High: $14,421 AUD|Avg: $5,257 AUD|-10.6%
Do Amore Diamonds
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 11$1,901 AUD
Retailer 7$2,067 AUD
Retailer 13$2,320 AUD
Retailer 12$3,485 AUD
Retailer 9$3,488 AUD
Retailer 6$3,807 AUD
Retailer 5$4,060 AUD
Retailer 10$4,109 AUD
Retailer 4$4,196 AUD
Retailer 2$4,501 AUD
Retailer 3$6,719 AUD
Retailer 8$6,986 AUD
Retailer 14$8,058 AUD
Do Amore Diamonds$12,898 AUD

27 data points across 14 retailers

11 retailers$1,901 AUD to $8,058 AUD

A
Cheapest Retailer
-
$1,901 AUD
$1,335 USD
B+
Retailer 2
-
$2,067 AUD
$1,452 USD
View
B+
Retailer 3
-
$2,320 AUD
$1,630 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,485 AUD
$2,448 USD
View
B+
Retailer 5
-
$3,488 AUD
$2,450 USD
View
B
Retailer 6
-
$4,109 AUD
$2,886 USD
View
B
Retailer 7
-
$4,501 AUD
$3,162 USD
View
B
Retailer 8
-
$6,719 AUD
$4,720 USD
View
B
Retailer 9
-
$6,986 AUD
£3,864 GBP
View
B
Retailer 10
-
$8,058 AUD
$5,660 USD
View
Most Expensive
Do Amore Diamonds
27-D0403921C · Nov 1
$12,898 AUD
$9,060 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,901 AUDSave up to $6,157 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
6.30ct Round
$1,901 AUD