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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 $712 SGD
$557 USD
As of November 1, 2026
Save $1,488 SGD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,200 SGD 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 $712 to $2,200, a $1,488 spread on the same certified stone. Frank Darling lists it at $2,200. 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: $2,200 SGD|Low: $680 SGD|High: $2,200 SGD|Avg: $1,574 SGD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$712 SGD
Retailer 6$1,023 SGD
Retailer 5$1,699 SGD
Retailer 2$1,902 SGD
Retailer 3$2,161 SGD
Frank Darling$2,200 SGD

16 data points across 6 retailers

4 retailers$712 SGD to $2,200 SGD

A
Cheapest Retailer
-
$712 SGD
$557 USD
B
Retailer 2
-
$1,902 SGD
£1,171 GBP
View
B
Retailer 3
-
$2,161 SGD
$1,690 USD
View
Most Expensive
B
Frank Darling
LGDCU150-005587UD · Nov 2
$2,200 SGD
$1,720 USD
View
3 more retailers have this diamond
Prices start from $712 SGDSave up to $1,488 SGD

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
$712 SGD