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Oval|Lab Grown|IGI

1.21ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG717587141

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG717587141

Diamond specifications and retailer prices

From $236 USD
As of October 29, 2026
Save $1,934 USD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,170 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717587141 or 717587141. Listed at 24 retailers as of October 29, 2026, with prices from $236 to $2,170, a $1,934 spread on the same certified stone. Brilliant Earth lists it at $2,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717587141
Dimensions6.05 × 6.05 × 3.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.05 mm6.05 mm1.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717587141
Side View
Table 60.0%Crown 37.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

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 29
Current: $2,170 USD|Low: $234 USD|High: $2,170 USD|Avg: $776 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 11
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Retailer 21
October 30, 2026
Retailer 10$236 USD
Retailer 15$263 USD
Retailer 19$273 USD
Retailer 5$292 USD
Retailer 14$292 USD
Retailer 6$493 USD
Retailer 16$502 USD
Retailer 4$532 USD
Retailer 18$548 USD
Retailer 2$552 USD
Retailer 20$584 USD
Retailer 17$712 USD
Retailer 8$768 USD
Retailer 3$781 USD
Retailer 9$939 USD
Retailer 12$991 USD
Retailer 11$1,173 USD
Retailer 13$1,194 USD
Retailer 7$1,307 USD
Retailer 21$1,480 USD
Brilliant Earth$2,170 USD

37 data points across 21 retailers

24 retailers$236 USD to $2,170 USD

Retailer 1
-
$234 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$236 USD
View
A
Retailer 3
-
$263 USD
View
Final sale: no returns
A
Retailer 4
-
$273 USD
View
Retailer 5
-
$286 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$292 USD
View
A
Retailer 7
-
$292 USD
View
A
Retailer 8
-
$493 USD
View
A
Retailer 9
-
$502 USD
ZAR 8,108 ZAR
View
A
Retailer 10
-
$532 USD
View
A
Retailer 11
-
$548 USD
€522 EUR
View
A
Retailer 12
-
$552 USD
£435 GBP
View
A
Retailer 13
-
$584 USD
A$898 AUD
View
B+
Retailer 14
-
$712 USD
A$1,096 AUD
View
B+
Retailer 15
-
$768 USD
View
B+
Retailer 16
-
$781 USD
View
B+
Retailer 17
-
$939 USD
View
B+
Retailer 18
-
$991 USD
View
B+
Retailer 19
-
$1,065 USD
View
Retailer 20
-
$1,173 USD
£924 GBP
View
Price last confirmed 15 days ago
B+
Retailer 21
-
$1,194 USD
A$1,837 AUD
View
B
Retailer 22
-
$1,307 USD
View
Retailer 23
-
$1,480 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
15472593A · Oct 29
$2,170 USD
View
23 more retailers have this diamond
Prices start from $236 USDSave up to $1,934 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
1.21ct Oval
$236 USD