Radiant|Lab Grown|IGI

6.70ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG620490017

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG620490017

Diamond specifications and retailer prices

From $1,611 NZD
$908 USD
As of October 30, 2026
Save $8,680 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,291 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.7ct lab-grown radiant diamond

This 6.7ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620490017 or 620490017. Listed at 24 retailers as of October 30, 2026, with prices from $1,611 to $10,291, a $8,680 spread on the same certified stone. Brilliant Earth lists it at $10,291. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.70
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620490017
Dimensions13.36 × 9.08 × 6.25 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.36 mm9.08 mm6.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620490017
Side View
Table 67.0%Crown 49.4°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 68.8%

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 30
Current: $10,291 NZD|Low: $1,545 NZD|High: $10,628 NZD|Avg: $3,699 NZD|-3.0%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 5$1,611 NZD
Retailer 9$1,753 NZD
Retailer 6$1,803 NZD
Retailer 7$1,868 NZD
Retailer 10$1,868 NZD
Retailer 2$2,001 NZD
Retailer 16$2,182 NZD
Retailer 17$2,676 NZD
Retailer 12$2,837 NZD
Retailer 11$2,853 NZD
Retailer 13$3,462 NZD
Retailer 15$3,615 NZD
Retailer 14$3,694 NZD
Retailer 8$5,254 NZD
Retailer 4$5,840 NZD
Retailer 3$5,846 NZD
Retailer 18$6,345 NZD
Brilliant Earth$10,291 NZD

38 data points across 18 retailers

24 retailers$1,611 NZD to $10,291 NZD

A
Cheapest Retailer
-
$1,611 NZD
$908 USD
A
Retailer 2
-
$1,753 NZD
$988 USD
View
A
Retailer 3
-
$1,803 NZD
$1,016 USD
View
Final sale: no returns
A
Retailer 4
-
$1,868 NZD
$1,053 USD
View
Retailer 5
-
$1,868 NZD
$1,053 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,001 NZD
£888 GBP
View
A
Retailer 7
-
$2,182 NZD
$1,230 USD
View
B+
Retailer 8
-
$2,676 NZD
$1,508 USD
View
A
Retailer 9
-
$2,745 NZD
$1,547 USD
View
A
Retailer 10
-
$2,837 NZD
€1,523 EUR
View
A
Retailer 11
-
$2,853 NZD
£1,266 GBP
View
A
Retailer 12
-
$3,462 NZD
A$3,002 AUD
View
A
Retailer 13
-
$3,615 NZD
ZAR 32,917 ZAR
View
A
Retailer 14
-
$3,694 NZD
$2,082 USD
View
B+
Retailer 15
-
$4,551 NZD
$2,565 USD
View
B+
Retailer 16
-
$4,837 NZD
$2,726 USD
View
B+
Retailer 17
-
$5,165 NZD
£2,292 GBP
View
B+
Retailer 18
-
$5,254 NZD
$2,961 USD
View
B+
Retailer 19
-
$5,840 NZD
$3,292 USD
View
B+
Retailer 20
-
$5,846 NZD
$3,295 USD
View
Retailer 21
-
$6,345 NZD
£2,816 GBP
View
Price last confirmed 7 days ago
B+
Retailer 22
-
$6,493 NZD
$3,659 USD
View
B
Retailer 23
-
$8,960 NZD
$5,050 USD
View
Most Expensive
B
Brilliant Earth
10794724A · Oct 31
$10,291 NZD
$5,800 USD
View
23 more retailers have this diamond
Prices start from $1,611 NZDSave up to $8,680 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
6.70ct Radiant
$1,611 NZD