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Radiant|Lab Grown|IGI

6.78ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2

Diamond specifications and retailer prices

From HK$20,533 HKD
$2,617 USD
As of November 2, 2026
Save HK$96,766 HKD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$117,299 HKD at With Clarity · As of November 2, 2026
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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 12 retailers as of November 2, 2026, with prices from HK$20,533 to HK$117,299, a HK$96,766 spread on the same certified stone. With Clarity lists it at HK$117,299. 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
OriginLab Grown
Grading LabIGI
Dimensions13.39 × 9.32 × 6.13 mm
L/W Ratio1.44
Top View
13.39 mm9.32 mm6.78 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: 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 2
Current: HK$20,533 HKD|Low: HK$20,533 HKD|High: HK$126,746 HKD|Avg: HK$54,967 HKD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 2, 2026
Retailer 1HK$20,533 HKD
Retailer 6HK$22,605 HKD
Retailer 3HK$23,954 HKD
Retailer 5HK$25,884 HKD
Retailer 4HK$32,930 HKD
Retailer 7HK$36,776 HKD
Retailer 2HK$79,863 HKD
Retailer 8HK$85,719 HKD
With ClarityHK$117,299 HKD

24 data points across 9 retailers

12 retailersHK$20,533 HKD to HK$117,299 HKD

A
Cheapest Retailer
-
HK$20,533 HKD
$2,617 USD
Retailer 2
-
HK$21,012 HKD
$2,678 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
HK$22,605 HKD
$2,881 USD
View
Retailer 4
-
HK$22,730 HKD
$2,897 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$23,954 HKD
$3,053 USD
View
Retailer 6
-
HK$24,237 HKD
$3,089 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$25,884 HKD
$3,299 USD
View
B+
Retailer 8
-
HK$32,930 HKD
$4,197 USD
View
Retailer 9
-
HK$33,315 HKD
$4,246 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$79,863 HKD
SGD 13,755 SGD
View
Retailer 11
-
HK$85,719 HKD
$10,925 USD
View
Price last confirmed 21 days ago
Most Expensive
B
With Clarity
842631327 · Nov 2
HK$117,299 HKD
$14,950 USD
View
11 more retailers have this diamond
Prices start from HK$20,533 HKDSave up to HK$96,766 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$20,533 HKD