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Radiant|Lab Grown|IGI

6.78ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG839659586

Certificate IGI LG839659586

Diamond specifications and retailer prices

From $4,160 USD
Save $10,085 USD (71%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $14,245 USD at With Clarity
View at With Clarity

About this 6.78ct lab-grown radiant diamond

This 6.78ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839659586 or 839659586. Listed at 3 retailers, with prices from $4,160 to $14,245 at With Clarity, a $10,085 spread on the same certified stone. 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

6.78
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839659586
Dimensions13.97 × 9.08 × 6.15 mm
L/W Ratio1.54
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.97 mm9.08 mm6.78 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839659586
Side View
Table 65.0%Crown 39.9°Girdle: Slightly ThickPavilion 34.3°CuletDepth 67.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $10,460 USD|Low: $4,160 USD|High: $14,392 USD|Avg: $8,119 USD|+0.8%
Retailer 1
Retailer 2
With Clarity
October 1, 2026
Retailer 2$4,160 USD
Retailer 1$10,460 USD
With Clarity$14,392 USD

5 data points across 3 retailers

3 retailers$4,160 USD to $14,245 USD

B
Cheapest Retailer
-
$4,160 USD
C
Retailer 2
-
$10,460 USD
A$16,093 AUD
View
Most Expensive
C
With Clarity
839659586 · Sep 30
$14,245 USD
View
2 more retailers have this diamond
Prices start from $4,160 USDSave up to $10,085 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.

B
6.78ct Radiant
$4,160 USD