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Emerald|Lab Grown|IGI

6.78ct D VVS2 Emerald Lab Grown Diamond

ID • D/VVS2 • IGI LG839668251

Shape and cutting style on the report: Emerald cut

Certificate IGI LG839668251

Diamond specifications and retailer prices

From $2,598 AUD
$1,825 USD
As of October 31, 2026
Save $11,396 AUD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,994 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.78ct lab-grown emerald diamond

This 6.78ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839668251 or 839668251. Listed at 19 retailers as of October 31, 2026, with prices from $2,598 to $13,994, a $11,396 spread on the same certified stone. Brilliant Earth lists it at $13,994. 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
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839668251
Dimensions12.86 × 8.71 × 6.05 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.86 mm8.71 mm6.78 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839668251
Side View
Table 67.0%Crown 45.1°Girdle: MediumPavilion 41.5°Culet: LargeDepth 69.5%

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 31
Current: $13,994 AUD|Low: $2,598 AUD|High: $14,008 AUD|Avg: $6,619 AUD|+0.7%
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 7$2,598 AUD
Retailer 10$2,759 AUD
Retailer 4$2,933 AUD
Retailer 11$3,813 AUD
Retailer 17$3,847 AUD
Retailer 16$4,054 AUD
Retailer 3$4,640 AUD
Retailer 12$4,986 AUD
Retailer 15$5,207 AUD
Retailer 6$5,576 AUD
Retailer 13$7,252 AUD
Retailer 5$7,265 AUD
Retailer 2$7,686 AUD
Retailer 14$8,072 AUD
Retailer 9$9,448 AUD
Retailer 8$9,819 AUD
Retailer 18$13,087 AUD
Brilliant Earth$13,994 AUD

25 data points across 18 retailers

19 retailers$2,598 AUD to $13,994 AUD

A
Cheapest Retailer
-
$2,598 AUD
$1,825 USD
Final sale: no returns
Retailer 2
-
$2,759 AUD
$1,938 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$2,933 AUD
$2,060 USD
View
A
Retailer 4
-
$3,813 AUD
£2,109 GBP
View
A
Retailer 5
-
$3,847 AUD
$2,702 USD
View
A
Retailer 6
-
$4,054 AUD
€2,712 EUR
View
A
Retailer 7
-
$4,640 AUD
$3,259 USD
View
B+
Retailer 8
-
$4,986 AUD
View
B+
Retailer 9
-
$5,207 AUD
ZAR 59,089 ZAR
View
B+
Retailer 10
-
$5,576 AUD
£3,084 GBP
View
B+
Retailer 11
-
$7,252 AUD
$5,094 USD
View
B+
Retailer 12
-
$7,265 AUD
$5,103 USD
View
B+
Retailer 13
-
$7,686 AUD
£4,251 GBP
View
B+
Retailer 14
-
$8,072 AUD
View
B+
Retailer 15
-
$9,448 AUD
$6,637 USD
View
B+
Retailer 16
-
$9,819 AUD
SGD 9,321 SGD
View
Retailer 17
-
$12,834 AUD
$9,015 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$13,087 AUD
$9,193 USD
View
Most Expensive
B
Brilliant Earth
21664354A · Oct 31
$13,994 AUD
$9,830 USD
View
18 more retailers have this diamond
Prices start from $2,598 AUDSave up to $11,396 AUD

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 Emerald
$2,598 AUD