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Cushion|Lab Grown|IGI

1.68ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG786683591

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786683591

Diamond specifications and retailer prices

From $795 AUD
$557 USD
As of November 1, 2026
Save $1,660 AUD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,455 AUD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 1.68ct lab-grown cushion diamond

This 1.68ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786683591 or 786683591. Listed at 4 retailers as of November 1, 2026, with prices from $795 to $2,455, a $1,660 spread on the same certified stone. Frank Darling lists it at $2,455. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786683591
Dimensions6.95 × 6.76 × 4.46 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.76 mm1.68 ctF / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786683591
Side View
Table 63.0%Crown 36.7°Girdle: THN-THKPavilion 37.4°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,455 AUD|Low: $759 AUD|High: $2,455 AUD|Avg: $1,757 AUD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$795 AUD
Retailer 6$1,142 AUD
Retailer 5$1,895 AUD
Retailer 2$2,122 AUD
Retailer 3$2,411 AUD
Frank Darling$2,455 AUD

16 data points across 6 retailers

4 retailers$795 AUD to $2,455 AUD

A
Cheapest Retailer
-
$795 AUD
$557 USD
B
Retailer 2
-
$2,122 AUD
£1,171 GBP
View
B
Retailer 3
-
$2,411 AUD
$1,690 USD
View
Most Expensive
B
Frank Darling
LGDCU150-005587UD · Nov 2
$2,455 AUD
$1,720 USD
View
3 more retailers have this diamond
Prices start from $795 AUDSave up to $1,660 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
1.68ct Cushion
$795 AUD