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Round|Lab Grown|IGI

1.68ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG816605040

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816605040

Diamond specifications and retailer prices

From $256 USD
As of November 1, 2026
Save $1,117 USD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,250 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round 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 LG816605040 or 816605040. Listed at 26 retailers as of November 1, 2026, with a 436% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816605040
Dimensions7.65 × 7.58 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm7.58 mm1.68 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816605040
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $486 USD|Low: $246 USD|High: $1,373 USD|Avg: $726 USD|-1.3%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 4$256 USD
Retailer 8$287 USD
Retailer 9$318 USD
Retailer 16$428 USD
Retailer 7$480 USD
Retailer 1$486 USD
Retailer 10$507 USD
Retailer 12$549 USD
Retailer 11$605 USD
Retailer 14$610 USD
Retailer 2$741 USD
Retailer 15$756 USD
Retailer 17$1,216 USD
Retailer 5$1,251 USD
Retailer 13$1,274 USD
Retailer 3$1,275 USD
Retailer 6$1,373 USD

37 data points across 17 retailers

26 retailers$256 USD to $1,373 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$297 USD
View
A
Retailer 4
-
$318 USD
View
Retailer 5
-
$318 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$428 USD
View
A
Retailer 7
-
$480 USD
View
A
Retailer 8
-
$486 USD
£383 GBP
View
A
Retailer 9
-
$507 USD
€483 EUR
View
A
Retailer 10
-
$549 USD
ZAR 8,864 ZAR
View
B+
Retailer 11
-
$605 USD
£476 GBP
View
B+
Retailer 12
-
$610 USD
A$938 AUD
View
B+
Retailer 13
-
$663 USD
View
B+
Retailer 14
-
$665 USD
View
B+
Retailer 15
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$713 USD
View
B+
Retailer 16
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$741 USD
A$1,140 AUD
View
B+
Retailer 17
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$756 USD
View
B
Retailer 18
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$1,022 USD
View
B
Retailer 19
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$1,073 USD
View
B
Retailer 20
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$1,216 USD
A$1,870 AUD
View
B
Retailer 21
-
$1,251 USD
View
B
Retailer 22
-
$1,274 USD
£1,003 GBP
View
Retailer 23
-
$1,275 USD
View
Price last confirmed 15 days ago
B
Retailer 24
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$1,310 USD
View
B
Retailer 25
-
$1,373 USD
View
Most Expensive
Brilliant Earth
20761111A · Sep 28
$2,250 USD
View
Price last confirmed 35 days ago
25 more retailers have this diamond
Prices start from $256 USDSave up to $1,117 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 Round
$256 USD