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6.73ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG601325635

Shape and cutting style on the report: Round brilliant

Certificate IGI LG601325635

Diamond specifications and retailer prices

From $1,347 NZD
$759 USD
As of October 29, 2026
Save $6,407 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,754 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.73ct lab-grown round diamond

This 6.73ct 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 IGI LG601325635 or 601325635. Listed at 15 retailers as of October 29, 2026, with prices from $1,347 to $7,754, a $6,407 spread on the same certified stone. Brilliant Earth lists it at $7,754. 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

6.73
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601325635
Dimensions12.13 × 12.09 × 7.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.13 mm12.09 mm6.73 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601325635
Side View
Table 57.0%Crown 34.9°Girdle: Med.Pavilion 40.8°Culet: NoneDepth 61.6%

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 29
Current: $7,754 NZD|Low: $1,347 NZD|High: $8,402 NZD|Avg: $3,591 NZD|-3.1%
Brilliant Earth
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 3$1,347 NZD
Retailer 12$1,466 NZD
Retailer 4$1,563 NZD
Retailer 15$1,563 NZD
Retailer 10$1,872 NZD
Retailer 2$2,366 NZD
Retailer 14$2,477 NZD
Retailer 6$2,486 NZD
Retailer 5$2,530 NZD
Retailer 9$2,564 NZD
Retailer 13$3,717 NZD
Retailer 16$4,395 NZD
Retailer 8$5,568 NZD
Retailer 11$5,865 NZD
Brilliant Earth$7,754 NZD
Retailer 7$8,402 NZD

41 data points across 16 retailers

15 retailers$1,347 NZD to $7,754 NZD

A
Cheapest Retailer
-
$1,347 NZD
$759 USD
A
Retailer 2
-
$1,466 NZD
$826 USD
View
A
Retailer 3
-
$1,563 NZD
$881 USD
View
Retailer 4
-
$1,563 NZD
$881 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,872 NZD
$1,055 USD
View
A
Retailer 6
-
$2,366 NZD
£1,050 GBP
View
Retailer 7
-
$2,477 NZD
£1,099 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$2,486 NZD
$1,401 USD
View
B+
Retailer 9
-
$2,530 NZD
$1,426 USD
View
B+
Retailer 10
-
$2,564 NZD
€1,376 EUR
View
B+
Retailer 11
-
$3,717 NZD
$2,095 USD
View
B
Retailer 12
-
$4,395 NZD
$2,477 USD
View
B
Retailer 13
-
$5,568 NZD
$3,138 USD
View
B
Retailer 14
-
$5,865 NZD
£2,603 GBP
View
Most Expensive
B
Brilliant Earth
8408005A · Oct 31
$7,754 NZD
$4,370 USD
View
14 more retailers have this diamond
Prices start from $1,347 NZDSave up to $6,407 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
6.73ct Round
$1,347 NZD