Oval|Lab Grown|IGI

6.68ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG819655390

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG819655390

Diamond specifications and retailer prices

From HK$8,960 HKD
$1,142 USD
As of October 29, 2026
Save HK$27,415 HKD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$36,375 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.68ct lab-grown oval diamond

This 6.68ct lab-grown oval 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 LG819655390 or 819655390. Listed at 17 retailers as of October 29, 2026, with prices from HK$8,960 to HK$36,375, a HK$27,415 spread on the same certified stone. Taylor and Hart lists it at HK$36,375. 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

6.68
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819655390
Dimensions15.52 × 10.59 × 6.59 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.52 mm10.59 mm6.68 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819655390
Side View
Table 58.0%Crown 36.9°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 62.2%

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 29
Current: HK$15,072 HKD|Low: HK$8,599 HKD|High: HK$36,375 HKD|Avg: HK$20,983 HKD|-1.1%
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 1, 2026
Retailer 14HK$8,960 HKD
Retailer 4HK$9,752 HKD
Retailer 15HK$10,396 HKD
Retailer 13HK$11,769 HKD
Retailer 11HK$14,868 HKD
Retailer 1HK$15,072 HKD
Retailer 8HK$19,262 HKD
Retailer 3HK$19,481 HKD
Retailer 9HK$20,113 HKD
Retailer 6HK$20,477 HKD
Retailer 7HK$21,890 HKD
Retailer 5HK$28,696 HKD
Retailer 2HK$30,088 HKD
Retailer 10HK$33,569 HKD
Retailer 12HK$34,482 HKD
Taylor and HartHK$36,375 HKD

41 data points across 16 retailers

17 retailersHK$8,960 HKD to HK$36,375 HKD

A
Cheapest Retailer
-
HK$8,960 HKD
$1,142 USD
A
Retailer 2
-
HK$9,752 HKD
$1,243 USD
View
A
Retailer 3
-
HK$10,396 HKD
$1,325 USD
View
Retailer 4
-
HK$10,396 HKD
$1,325 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$11,769 HKD
$1,500 USD
View
B+
Retailer 6
-
HK$14,868 HKD
$1,895 USD
View
A
Retailer 7
-
HK$15,072 HKD
£1,513 GBP
View
B+
Retailer 8
-
HK$19,262 HKD
A$3,777 AUD
View
B+
Retailer 9
-
HK$19,481 HKD
$2,483 USD
View
B+
Retailer 10
-
HK$20,113 HKD
ZAR 41,414 ZAR
View
B+
Retailer 11
-
HK$20,477 HKD
$2,610 USD
View
B+
Retailer 12
-
HK$21,890 HKD
$2,790 USD
View
B
Retailer 13
-
HK$28,696 HKD
£2,880 GBP
View
B
Retailer 14
-
HK$30,088 HKD
$3,835 USD
View
B
Retailer 15
-
HK$33,569 HKD
£3,369 GBP
View
B
Retailer 16
-
HK$34,482 HKD
$4,395 USD
View
Most Expensive
B
Taylor and Hart
0RCJ5QY · Oct 31
HK$36,375 HKD
$4,636 USD
View
16 more retailers have this diamond
Prices start from HK$8,960 HKDSave up to HK$27,415 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
6.68ct Oval
HK$8,960 HKD