Oval|Lab Grown|IGI

1.20ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG817660512

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817660512

Diamond specifications and retailer prices

From $821 USD
CA$1,140 CAD
As of October 27, 2026
Save $264 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,085 USD at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817660512 or 817660512. Listed at 3 retailers as of October 27, 2026, with prices from $821 to $1,085, a $264 spread on the same certified stone. The Diamond Guys lists it at $1,085. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817660512
Dimensions8.34 × 5.95 × 3.77 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.34 mm5.95 mm1.20 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817660512
Side View
Table 60.0%Crown 35.5°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,030 USD|Low: $277 USD|High: $1,085 USD|Avg: $792 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
October 2, 2026
Retailer 2$342 USD
Retailer 5$560 USD
Retailer 4$613 USD
Retailer 3$780 USD
Retailer 6$821 USD
Retailer 1$1,030 USD
The Diamond Guys$1,085 USD

13 data points across 7 retailers

3 retailers$821 USD to $1,085 USD

B
Cheapest Retailer
-
$821 USD
CA$1,140 CAD
B
Retailer 2
-
$1,030 USD
View
Most Expensive
B
The Diamond Guys
1926490455 · Oct 28
$1,085 USD
View
2 more retailers have this diamond
Prices start from $821 USDSave up to $264 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.

B
1.20ct Oval
$821 USD