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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG776609259

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG776609259

Diamond specifications and retailer prices

From $215 USD
As of November 1, 2026
Save $1,575 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,790 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 LG776609259 or 776609259. Listed at 21 retailers as of November 1, 2026, with prices from $215 to $1,790, a $1,575 spread on the same certified stone. Brilliant Earth lists it at $1,790. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776609259
Dimensions8.64 × 6.04 × 3.72 mm
L/W Ratio1.43
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
8.64 mm6.04 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776609259
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.6%

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: Nov 1
Current: $1,790 USD|Low: $215 USD|High: $2,220 USD|Avg: $713 USD|-19.4%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
Retailer 20
November 3, 2026
Retailer 20$215 USD
Retailer 10$239 USD
Retailer 6$249 USD
Retailer 3$266 USD
Retailer 17$434 USD
Retailer 12$457 USD
Retailer 15$460 USD
Retailer 2$494 USD
Retailer 8$584 USD
Retailer 18$603 USD
Retailer 13$652 USD
Retailer 14$688 USD
Retailer 9$757 USD
Retailer 5$857 USD
Retailer 4$867 USD
Retailer 11$910 USD
Retailer 7$1,036 USD
Retailer 16$1,068 USD
Retailer 19$1,244 USD
Brilliant Earth$1,790 USD

42 data points across 20 retailers

21 retailers$215 USD to $1,790 USD

A
Cheapest Retailer
-
$215 USD
A
Retailer 2
-
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$249 USD
View
A
Retailer 4
-
$266 USD
View
A
Retailer 5
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$434 USD
€413 EUR
View
A
Retailer 6
-
$457 USD
View
A
Retailer 7
-
$460 USD
ZAR 7,432 ZAR
View
A
Retailer 8
-
$494 USD
£389 GBP
View
A
Retailer 9
-
$584 USD
View
A
Retailer 10
-
$603 USD
A$928 AUD
View
A
Retailer 11
-
$652 USD
A$1,003 AUD
View
B+
Retailer 12
-
$688 USD
View
B+
Retailer 13
-
$757 USD
View
B+
Retailer 14
-
$857 USD
View
B+
Retailer 15
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$867 USD
SGD 1,171 SGD
View
B+
Retailer 16
-
$910 USD
View
B+
Retailer 17
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$1,036 USD
£816 GBP
View
B+
Retailer 18
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$1,068 USD
£841 GBP
View
B
Retailer 19
-
$1,244 USD
A$1,914 AUD
View
Retailer 20
-
$1,545 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
18180993A · Nov 2
$1,790 USD
View
20 more retailers have this diamond
Prices start from $215 USDSave up to $1,575 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
$215 USD