Oval|Lab Grown|IGI

1.28ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG770617910

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770617910

Diamond specifications and retailer prices

From $1,120 USD
As of October 29, 2026
10 retailers carry this diamond
Most expensive: $1,120 USD at Brilliant Earth
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770617910 or 770617910. Listed at 10 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770617910
Dimensions8.96 × 6.17 × 3.67 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
8.96 mm6.17 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770617910
Side View
Table 58.0%Crown 34.8°Girdle: MED-THKPavilion 39°Culet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,120 USD|Low: $146 USD|High: $1,870 USD|Avg: $700 USD|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 18, 2026
Retailer 8$211 USD
Retailer 13$284 USD
Retailer 6$319 USD
Retailer 10$323 USD
Retailer 2$441 USD
Retailer 12$482 USD
Retailer 7$603 USD
Retailer 4$649 USD
Retailer 3$831 USD
Retailer 5$880 USD
Retailer 11$1,045 USD
Brilliant Earth$1,120 USD
Retailer 9$1,810 USD

30 data points across 13 retailers

10 retailers

Retailer 1
-
$188 USD
Price last confirmed 17 days ago
Retailer 2
-
$218 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$284 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$319 USD
£252 GBP
View
Price last confirmed 17 days ago
Retailer 5
-
$323 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$603 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$678 USD
View
Price last confirmed 44 days ago
Retailer 8
-
$828 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$1,045 USD
£823 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21400144Y · Oct 29
$1,120 USD
View
9 more retailers have this diamond

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.

B
1.28ct Oval
$1,120 USD