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Oval|Lab Grown|IGI

1.28ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG706531144

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG706531144

Diamond specifications and retailer prices

From $439 USD
As of October 30, 2026
Save $757 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,196 USD at MOH London · As of October 29, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706531144 or 706531144. Listed at 6 retailers as of October 29, 2026, with prices from $439 to $1,196, a $757 spread on the same certified stone. MOH London lists it at $1,196. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706531144
Dimensions9.04 × 6.10 × 3.69 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.04 mm6.10 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706531144
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.5%

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 30
Current: $1,196 USD|Low: $414 USD|High: $1,205 USD|Avg: $596 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$439 USD
Retailer 2$469 USD
Retailer 5$482 USD
Retailer 4$576 USD
MOH London$1,196 USD

41 data points across 5 retailers

6 retailers$439 USD to $1,196 USD

A
Cheapest Retailer
-
$439 USD
A
Retailer 2
-
$469 USD
£369 GBP
View
A
Retailer 3
-
$482 USD
View
B+
Retailer 4
-
$576 USD
View
B
Retailer 5
-
$872 USD
View
Most Expensive
B
MOH London
LG706531144 · Oct 29
$1,196 USD
£942 GBP
View
5 more retailers have this diamond
Prices start from $439 USDSave up to $757 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
$439 USD