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Round|Lab Grown|IGI

6.78ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG614320824

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614320824

Diamond specifications and retailer prices

From $1,370 USD
HK$10,700 HKD
As of October 27, 2026
5 retailers carry this diamond
Most expensive: $2,228 USD at Cape Diamonds · As of September 21, 2026
View at Cape Diamonds

About this 6.78ct lab-grown round diamond

This 6.78ct lab-grown round 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 LG614320824 or 614320824. Listed at 5 retailers as of October 27, 2026. 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614320824
Dimensions12.13 × 12.08 × 7.45 mm
L/W Ratio1.00
Girdle conditionFaceted
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
12.13 mm12.08 mm6.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614320824
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.1°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,228 USD|Low: $728 USD|High: $13,460 USD|Avg: $3,159 USD|+1.3%
Cape 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
October 21, 2026
Retailer 12$1,138 USD
Retailer 2$1,370 USD
Retailer 4$1,532 USD
Retailer 3$1,688 USD
Retailer 13$1,693 USD
Retailer 14$1,805 USD
Retailer 7$1,967 USD
Cape Diamonds$2,228 USD
Retailer 10$2,464 USD
Retailer 6$2,992 USD
Retailer 11$3,891 USD
Retailer 9$3,999 USD
Retailer 5$5,561 USD
Retailer 8$8,490 USD

16 data points across 14 retailers

5 retailers

Retailer 1
-
$1,017 USD
Price last confirmed 38 days ago
Retailer 2
-
$1,163 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$1,370 USD
HK$10,700 HKD
View
Retailer 4
-
$2,210 USD
View
Price last confirmed 39 days ago
Most Expensive
Cape Diamonds
cert_614320824 · Sep 21
$2,228 USD
ZAR 36,000 ZAR
View
Price last confirmed 39 days ago
4 more retailers have this diamond
Prices start from $1,370 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
6.78ct Round
$1,370 USD