Oval|Lab Grown|IGI

1.21ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG598373337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598373337

Diamond specifications and retailer prices

From $348 USD
As of October 23, 2026
15 retailers carry this diamond
Most expensive: $1,693 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.21ct lab-grown oval diamond

This 1.21ct 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 LG598373337 or 598373337. Listed at 15 retailers as of October 21, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598373337
Dimensions8.90 × 6.02 × 3.73 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.90 mm6.02 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598373337
Side View
Table 61.0%Crown 33.1°Girdle: THN-MEDPavilion 42°Culet: NoneDepth 62.0%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $1,693 USD|Low: $277 USD|High: $1,704 USD|Avg: $809 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 24, 2026
Retailer 13$389 USD
Retailer 12$431 USD
Retailer 4$492 USD
Retailer 10$495 USD
Retailer 2$516 USD
Retailer 5$563 USD
Retailer 11$693 USD
Retailer 7$729 USD
Retailer 6$758 USD
Retailer 8$1,058 USD
Retailer 9$1,264 USD
Retailer 3$1,665 USD
MOH London$1,693 USD

18 data points across 13 retailers

15 retailers$348 USD to $1,693 USD

Retailer 1
-
$348 USD
Price last confirmed 10 days ago
Retailer 2
-
$403 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$431 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$431 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$431 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$693 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$729 USD
ZAR 11,779 ZAR
View
Price last confirmed 9 days ago
Retailer 8
-
$758 USD
£597 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
$1,058 USD
A$1,627 AUD
View
Price last confirmed 13 days ago
Retailer 10
-
$1,264 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$1,386 USD
View
Price last confirmed 23 days ago
Retailer 12
-
$1,386 USD
View
Price last confirmed 25 days ago
Retailer 13
-
$1,428 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$1,665 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG598373337 · Oct 21
$1,693 USD
£1,333 GBP
View
Price last confirmed 11 days ago
14 more retailers have this diamond

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.

1.21ct Oval
$348 USD