CaratHunter
Plans
Radiant|Lab Grown|IGI

6.78ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG842631327

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG842631327

Diamond specifications and retailer prices

From HK$22,471 HKD
$2,864 USD
As of November 1, 2026
Save HK$61,075 HKD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$83,546 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.78ct lab-grown radiant diamond

This 6.78ct lab-grown radiant 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 LG842631327 or 842631327. Listed at 16 retailers as of October 31, 2026, with prices from HK$22,471 to HK$83,546, a HK$61,075 spread on the same certified stone. Taylor and Hart lists it at HK$83,546. 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 angle42.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842631327
Dimensions13.39 × 9.32 × 6.13 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.39 mm9.32 mm6.78 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842631327
Side View
Table 68.0%Crown 42.1°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 65.8%

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$25,068 HKD|Low: HK$22,471 HKD|High: HK$85,955 HKD|Avg: HK$43,535 HKD|-3.3%
Retailer 1
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
Taylor and Hart
November 3, 2026
Retailer 2HK$22,471 HKD
Retailer 5HK$23,130 HKD
Retailer 14HK$24,654 HKD
Retailer 1HK$25,068 HKD
Retailer 8HK$32,167 HKD
Retailer 13HK$34,036 HKD
Retailer 11HK$34,947 HKD
Retailer 12HK$42,016 HKD
Retailer 10HK$42,596 HKD
Retailer 3HK$44,385 HKD
Retailer 15HK$45,199 HKD
Retailer 6HK$46,630 HKD
Retailer 4HK$52,734 HKD
Retailer 7HK$61,231 HKD
Retailer 9HK$63,773 HKD
Taylor and HartHK$83,546 HKD

25 data points across 16 retailers

16 retailersHK$22,471 HKD to HK$83,546 HKD

A
Cheapest Retailer
-
HK$22,471 HKD
$2,864 USD
A
Retailer 2
-
HK$23,130 HKD
$2,948 USD
View
Final sale: no returns
A
Retailer 3
-
HK$24,654 HKD
£2,474 GBP
View
A
Retailer 4
-
HK$25,068 HKD
$3,195 USD
View
B+
Retailer 5
-
HK$32,167 HKD
£3,228 GBP
View
B+
Retailer 6
-
HK$34,036 HKD
$4,338 USD
View
B+
Retailer 7
-
HK$34,947 HKD
$4,454 USD
View
B+
Retailer 8
-
HK$42,016 HKD
€5,100 EUR
View
B+
Retailer 9
-
HK$42,596 HKD
$5,429 USD
View
B+
Retailer 10
-
HK$44,385 HKD
A$8,703 AUD
View
B+
Retailer 11
-
HK$45,199 HKD
£4,536 GBP
View
B+
Retailer 12
-
HK$46,630 HKD
ZAR 96,012 ZAR
View
B
Retailer 13
-
HK$52,734 HKD
A$10,340 AUD
View
B
Retailer 14
-
HK$61,231 HKD
$7,804 USD
View
B
Retailer 15
-
HK$63,773 HKD
£6,400 GBP
View
Most Expensive
B
Taylor and Hart
HGM0G23 · Oct 31
HK$83,546 HKD
$10,648 USD
View
15 more retailers have this diamond
Prices start from HK$22,471 HKDSave up to HK$61,075 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 Radiant
HK$22,471 HKD