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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 $557 USD
As of November 1, 2026
Save $1,163 USD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,720 USD 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 $557 to $1,720, a $1,163 spread on the same certified stone. Frank Darling lists it at $1,720. 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
Color
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: $1,720 USD|Low: $532 USD|High: $1,720 USD|Avg: $1,231 USD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$557 USD
Retailer 6$800 USD
Retailer 5$1,328 USD
Retailer 2$1,487 USD
Retailer 3$1,690 USD
Frank Darling$1,720 USD

16 data points across 6 retailers

4 retailers$557 USD to $1,720 USD

A
Cheapest Retailer
-
$557 USD
B
Retailer 2
-
$1,487 USD
£1,171 GBP
View
B
Retailer 3
-
$1,690 USD
View
Most Expensive
B
Frank Darling
LGDCU150-005587UD · Nov 2
$1,720 USD
View
3 more retailers have this diamond
Prices start from $557 USDSave up to $1,163 USD

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
$557 USD