CaratHunter
Plans
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 $2,369 NZD
$1,335 USD
As of November 1, 2026
Save $7,674 NZD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,075 NZD 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: $16,075 NZD|Low: $2,115 NZD|High: $17,974 NZD|Avg: $6,552 NZD|-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$2,369 NZD
Retailer 7$2,576 NZD
Retailer 13$2,892 NZD
Retailer 12$4,343 NZD
Retailer 9$4,347 NZD
Retailer 6$4,744 NZD
Retailer 5$5,060 NZD
Retailer 10$5,121 NZD
Retailer 4$5,230 NZD
Retailer 2$5,610 NZD
Retailer 3$8,375 NZD
Retailer 8$8,707 NZD
Retailer 14$10,043 NZD
Do Amore Diamonds$16,075 NZD

27 data points across 14 retailers

11 retailers$2,369 NZD to $10,043 NZD

A
Cheapest Retailer
-
$2,369 NZD
$1,335 USD
B+
Retailer 2
-
$2,576 NZD
$1,452 USD
View
B+
Retailer 3
-
$2,892 NZD
$1,630 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,343 NZD
$2,448 USD
View
B+
Retailer 5
-
$4,347 NZD
$2,450 USD
View
B
Retailer 6
-
$5,121 NZD
$2,886 USD
View
B
Retailer 7
-
$5,610 NZD
$3,162 USD
View
B
Retailer 8
-
$8,375 NZD
$4,720 USD
View
B
Retailer 9
-
$8,707 NZD
£3,864 GBP
View
B
Retailer 10
-
$10,043 NZD
$5,660 USD
View
Most Expensive
Do Amore Diamonds
27-D0403921C · Nov 1
$16,075 NZD
$9,060 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,369 NZDSave up to $7,674 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
6.30ct Round
$2,369 NZD