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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 HK$14,318 HKD
$1,825 USD
As of November 1, 2026
Save HK$62,805 HKD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$77,123 HKD 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 HK$14,318 to HK$77,123, a HK$62,805 spread on the same certified stone. Brilliant Earth lists it at HK$77,123. 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: Nov 1
Current: HK$77,123 HKD|Low: HK$14,318 HKD|High: HK$77,202 HKD|Avg: HK$35,431 HKD|-0.1%
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 2, 2026
Retailer 7HK$14,318 HKD
Retailer 10HK$15,205 HKD
Retailer 4HK$16,162 HKD
Retailer 2HK$21,015 HKD
Retailer 17HK$21,199 HKD
Retailer 16HK$22,341 HKD
Retailer 3HK$25,569 HKD
Retailer 12HK$27,477 HKD
Retailer 15HK$28,697 HKD
Retailer 6HK$30,729 HKD
Retailer 13HK$39,966 HKD
Retailer 5HK$40,037 HKD
Retailer 11HK$42,357 HKD
Retailer 14HK$44,485 HKD
Retailer 9HK$52,070 HKD
Retailer 8HK$54,116 HKD
Retailer 18HK$72,126 HKD
Brilliant EarthHK$77,123 HKD

26 data points across 18 retailers

19 retailersHK$14,318 HKD to HK$77,123 HKD

A
Cheapest Retailer
-
HK$14,318 HKD
$1,825 USD
Final sale: no returns
Retailer 2
-
HK$15,205 HKD
$1,938 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
HK$16,162 HKD
$2,060 USD
View
A
Retailer 4
-
HK$21,015 HKD
£2,109 GBP
View
A
Retailer 5
-
HK$21,199 HKD
$2,702 USD
View
A
Retailer 6
-
HK$22,341 HKD
€2,712 EUR
View
A
Retailer 7
-
HK$25,569 HKD
$3,259 USD
View
B+
Retailer 8
-
HK$27,477 HKD
A$5,388 AUD
View
B+
Retailer 9
-
HK$28,697 HKD
ZAR 59,089 ZAR
View
B+
Retailer 10
-
HK$30,729 HKD
£3,084 GBP
View
B+
Retailer 11
-
HK$39,966 HKD
$5,094 USD
View
B+
Retailer 12
-
HK$40,037 HKD
$5,103 USD
View
B+
Retailer 13
-
HK$42,357 HKD
£4,251 GBP
View
B+
Retailer 14
-
HK$44,485 HKD
A$8,723 AUD
View
B+
Retailer 15
-
HK$52,070 HKD
$6,637 USD
View
B+
Retailer 16
-
HK$54,116 HKD
SGD 9,321 SGD
View
Retailer 17
-
HK$70,729 HKD
$9,015 USD
View
Price last confirmed 20 days ago
B
Retailer 18
-
HK$72,126 HKD
$9,193 USD
View
Most Expensive
B
Brilliant Earth
21664354A · Oct 31
HK$77,123 HKD
$9,830 USD
View
18 more retailers have this diamond
Prices start from HK$14,318 HKDSave up to HK$62,805 HKD

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
HK$14,318 HKD