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Round|Lab Grown|IGI

1.28ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG787651717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787651717

Diamond specifications and retailer prices

From $181 USD
As of November 5, 2026
Save $952 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,133 USD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787651717 or 787651717. Listed at 18 retailers as of November 5, 2026, with prices from $181 to $1,133, a $952 spread on the same certified stone. Reve Diamonds lists it at $1,133. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651717
Dimensions6.98 × 6.95 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.98 mm6.95 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651717
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $380 USD|Low: $174 USD|High: $1,133 USD|Avg: $487 USD
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
Reve Diamonds
November 6, 2026
Retailer 10$181 USD
Retailer 4$202 USD
Retailer 6$210 USD
Retailer 3$224 USD
Retailer 5$224 USD
Retailer 1$380 USD
Retailer 7$385 USD
Retailer 8$397 USD
Retailer 11$399 USD
Retailer 14$547 USD
Retailer 13$600 USD
Retailer 9$722 USD
Retailer 2$762 USD
Retailer 12$1,046 USD
Reve Diamonds$1,133 USD

40 data points across 15 retailers

18 retailers$181 USD to $1,133 USD

A
Cheapest Retailer
-
$181 USD
A
Retailer 2
-
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$210 USD
View
Retailer 4
-
$224 USD
View
Price last confirmed 12 days ago
A
Retailer 5
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$224 USD
View
A
Retailer 6
-
$380 USD
View
A
Retailer 7
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$385 USD
View
A
Retailer 8
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$397 USD
View
A
Retailer 9
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$399 USD
View
B+
Retailer 10
-
$475 USD
View
B+
Retailer 11
-
$511 USD
View
B+
Retailer 12
-
$547 USD
View
B+
Retailer 13
-
$600 USD
View
B+
Retailer 14
-
$722 USD
View
B
Retailer 15
-
$762 USD
View
B
Retailer 16
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$775 USD
View
B
Retailer 17
-
$1,046 USD
View
Most Expensive
B
Reve Diamonds
8071E3853 · Nov 6
$1,133 USD
View
17 more retailers have this diamond
Prices start from $181 USDSave up to $952 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
1.28ct Round
$181 USD