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 $908 USD
As of October 30, 2026
Save $4,892 USD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,800 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $908 to $5,800, a $4,892 spread on the same certified stone. Brilliant Earth lists it at $5,800. 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,800 USD|Low: $871 USD|High: $5,990 USD|Avg: $2,096 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$908 USD
Retailer 9$988 USD
Retailer 6$1,016 USD
Retailer 7$1,053 USD
Retailer 10$1,053 USD
Retailer 14$1,131 USD
Retailer 16$1,230 USD
Retailer 17$1,508 USD
Retailer 2$1,599 USD
Retailer 11$1,608 USD
Retailer 12$1,951 USD
Retailer 15$2,038 USD
Retailer 13$2,082 USD
Retailer 8$2,961 USD
Retailer 4$3,292 USD
Retailer 3$3,295 USD
Retailer 18$3,576 USD
Brilliant Earth$5,800 USD

37 data points across 18 retailers

24 retailers$908 USD to $5,800 USD

A
Cheapest Retailer
-
$908 USD
A
Retailer 2
-
$988 USD
View
A
Retailer 3
-
$1,016 USD
View
Final sale: no returns
A
Retailer 4
-
$1,053 USD
View
Retailer 5
-
$1,053 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,131 USD
£891 GBP
View
A
Retailer 7
-
$1,230 USD
View
B+
Retailer 8
-
$1,508 USD
View
A
Retailer 9
-
$1,547 USD
View
A
Retailer 10
-
$1,599 USD
€1,523 EUR
View
A
Retailer 11
-
$1,608 USD
£1,266 GBP
View
A
Retailer 12
-
$1,951 USD
A$3,002 AUD
View
A
Retailer 13
-
$2,038 USD
ZAR 32,917 ZAR
View
A
Retailer 14
-
$2,082 USD
View
B+
Retailer 15
-
$2,565 USD
View
B+
Retailer 16
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$2,726 USD
View
B+
Retailer 17
-
$2,911 USD
£2,292 GBP
View
B+
Retailer 18
-
$2,961 USD
View
B+
Retailer 19
-
$3,292 USD
View
B+
Retailer 20
-
$3,295 USD
View
B+
Retailer 21
-
$3,576 USD
£2,816 GBP
View
B+
Retailer 22
-
$3,659 USD
View
B
Retailer 23
-
$5,050 USD
View
Most Expensive
B
Brilliant Earth
10794724A · Oct 29
$5,800 USD
View
23 more retailers have this diamond
Prices start from $908 USDSave up to $4,892 USD

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
$908 USD