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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG717586036

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG717586036

Diamond specifications and retailer prices

From $261 USD
As of November 1, 2026
Save $1,859 USD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,120 USD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717586036 or 717586036. Listed at 25 retailers as of November 1, 2026, with prices from $261 to $2,120, a $1,859 spread on the same certified stone. Brilliant Earth lists it at $2,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717586036
Dimensions8.48 × 6.04 × 3.76 mm
L/W Ratio1.40
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
8.48 mm6.04 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717586036
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: Nov 1
Current: $2,120 USD|Low: $259 USD|High: $3,140 USD|Avg: $837 USD|-32.5%
Brilliant Earth
Retailer 2
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Retailer 22
November 3, 2026
Retailer 11$261 USD
Retailer 19$291 USD
Retailer 3$303 USD
Retailer 7$324 USD
Retailer 14$324 USD
Retailer 21$485 USD
Retailer 8$539 USD
Retailer 16$558 USD
Retailer 6$574 USD
Retailer 22$604 USD
Retailer 2$619 USD
Retailer 18$623 USD
Retailer 5$773 USD
Retailer 20$787 USD
Retailer 13$871 USD
Retailer 10$1,040 USD
Retailer 12$1,091 USD
Retailer 15$1,258 USD
Retailer 17$1,297 USD
Retailer 9$1,388 USD
Retailer 4$1,545 USD
Brilliant Earth$2,120 USD

36 data points across 22 retailers

25 retailers$261 USD to $2,120 USD

Retailer 1
-
$259 USD
Price last confirmed 42 days ago
A
Retailer 2
-
$261 USD
View
A
Retailer 3
-
$291 USD
View
Final sale: no returns
A
Retailer 4
-
$303 USD
View
Retailer 5
-
$317 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$324 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$324 USD
View
A
Retailer 8
-
$485 USD
View
A
Retailer 9
-
$539 USD
View
A
Retailer 10
-
$558 USD
ZAR 9,014 ZAR
View
A
Retailer 11
-
$574 USD
View
A
Retailer 12
-
$604 USD
€575 EUR
View
A
Retailer 13
-
$619 USD
£487 GBP
View
A
Retailer 14
-
$623 USD
A$958 AUD
View
B+
Retailer 15
-
$773 USD
View
B+
Retailer 16
-
$787 USD
A$1,211 AUD
View
B+
Retailer 17
-
$871 USD
View
B+
Retailer 18
-
$1,040 USD
View
B+
Retailer 19
-
$1,091 USD
View
B
Retailer 20
-
$1,195 USD
View
Retailer 21
-
$1,258 USD
A$1,936 AUD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
$1,297 USD
£1,021 GBP
View
B
Retailer 23
-
$1,388 USD
View
Retailer 24
-
$1,545 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
15466036A · Nov 2
$2,120 USD
View
24 more retailers have this diamond
Prices start from $261 USDSave up to $1,859 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
$261 USD