Oval|Lab Grown|IGI

1.20ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG845665255

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG845665255

Diamond specifications and retailer prices

From $288 USD
£227 GBP
As of October 23, 2026
Save $860 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,148 USD at Reve Diamonds · As of October 23, 2026
View at Reve Diamonds

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845665255 or 845665255. Listed at 10 retailers as of October 23, 2026, with prices from $288 to $1,148, a $860 spread on the same certified stone. Reve Diamonds lists it at $1,148. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845665255
Dimensions8.48 × 5.89 × 3.78 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.48 mm5.89 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845665255
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 64.2%

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 23
Current: $551 USD|Low: $186 USD|High: $1,148 USD|Avg: $572 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 23, 2026
Retailer 7$186 USD
Retailer 5$288 USD
Retailer 4$310 USD
Retailer 3$389 USD
Retailer 6$402 USD
Retailer 1$551 USD
Retailer 2$563 USD
Retailer 8$720 USD
Retailer 9$794 USD
Reve Diamonds$1,148 USD

2 data points across 10 retailers

10 retailers$288 USD to $1,148 USD

A
Retailer 1
-
$186 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$288 USD
£227 GBP
View
B+
Retailer 3
-
$310 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
$389 USD
ZAR 6,287 ZAR
View
A
Retailer 5
-
$402 USD
£317 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$551 USD
View
B+
Retailer 7
-
$563 USD
A$866 AUD
View
Retailer 8
-
$720 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$794 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Reve Diamonds
9E49A49AD · Oct 23
$1,148 USD
View
9 more retailers have this diamond
Prices start from $288 USDSave up to $860 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
1.20ct Oval
$288 USD