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Oval|Lab Grown|IGI

1.28ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG818663888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818663888

Diamond specifications and retailer prices

From $251 USD
As of October 29, 2026
Save $1,199 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,450 USD at Brilliant Earth · As of October 28, 2026
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 LG818663888 or 818663888. Listed at 20 retailers as of October 28, 2026, with prices from $251 to $1,450, a $1,199 spread on the same certified stone. Brilliant Earth lists it at $1,450. 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 angle35.5°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663888
Dimensions8.56 × 6.21 × 3.87 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.56 mm6.21 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663888
Side View
Table 64.0%Crown 35.5°Girdle: VTN-THNPavilion 41.7°Culet: NoneDepth 62.3%

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: Oct 29
Current: $1,450 USD|Low: $237 USD|High: $1,480 USD|Avg: $720 USD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 9$251 USD
Retailer 6$280 USD
Retailer 3$291 USD
Retailer 17$312 USD
Retailer 18$312 USD
Retailer 16$470 USD
Retailer 13$522 USD
Retailer 14$535 USD
Retailer 2$591 USD
Retailer 20$629 USD
Retailer 15$758 USD
Retailer 8$800 USD
Retailer 11$865 USD
Retailer 12$915 USD
Retailer 19$1,001 USD
Retailer 7$1,006 USD
Retailer 5$1,053 USD
Retailer 4$1,102 USD
Retailer 10$1,247 USD
Brilliant Earth$1,450 USD

33 data points across 20 retailers

20 retailers$251 USD to $1,450 USD

A
Cheapest Retailer
-
$251 USD
A
Retailer 2
-
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$291 USD
View
A
Retailer 4
-
$312 USD
View
A
Retailer 5
-
$312 USD
View
A
Retailer 6
-
$470 USD
View
A
Retailer 7
-
$522 USD
View
A
Retailer 8
-
$535 USD
ZAR 8,646 ZAR
View
B+
Retailer 9
-
$591 USD
£466 GBP
View
B+
Retailer 10
-
$629 USD
View
B+
Retailer 11
-
$758 USD
A$1,166 AUD
View
B+
Retailer 12
-
$800 USD
View
Retailer 13
-
$865 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$915 USD
A$1,408 AUD
View
B
Retailer 15
-
$1,001 USD
View
B
Retailer 16
-
$1,006 USD
SGD 1,359 SGD
View
B
Retailer 17
-
$1,053 USD
View
B
Retailer 18
-
$1,102 USD
View
Retailer 19
-
$1,247 USD
£982 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21492753A · Oct 28
$1,450 USD
View
19 more retailers have this diamond
Prices start from $251 USDSave up to $1,199 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 Oval
$251 USD