Oval|Lab Grown|IGI

1.28ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG833610993

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG833610993

Diamond specifications and retailer prices

From $341 USD
As of October 28, 2026
Save $728 USD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,125 USD at MOH London · As of October 21, 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 LG833610993 or 833610993. Listed at 6 retailers as of October 23, 2026, with a 214% 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

1.28
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833610993
Dimensions9.18 × 6.02 × 3.73 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.18 mm6.02 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833610993
Side View
Table 55.0%Crown 33°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $1,125 USD|Low: $332 USD|High: $16,701 USD|Avg: $1,226 USD|+1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 5$341 USD
Retailer 3$384 USD
Retailer 4$504 USD
Retailer 2$779 USD
Retailer 6$1,069 USD
MOH London$1,125 USD

36 data points across 6 retailers

6 retailers$341 USD to $1,069 USD

B+
Cheapest Retailer
-
$341 USD
A
Retailer 2
-
$384 USD
View
Retailer 3
-
$504 USD
£397 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$779 USD
A$1,199 AUD
View
B
Retailer 5
-
$1,069 USD
View
Most Expensive
MOH London
LG833610993 · Oct 21
$1,125 USD
£886 GBP
View
Price last confirmed 8 days ago
5 more retailers have this diamond
Prices start from $341 USDSave up to $728 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
$341 USD