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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG743546435

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743546435

Diamond specifications and retailer prices

From $258 USD
As of November 1, 2026
Save $1,792 USD (87%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $2,050 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 LG743546435 or 743546435. Listed at 30 retailers as of November 1, 2026, with prices from $258 to $2,050, a $1,792 spread on the same certified stone. Brilliant Earth lists it at $2,050. 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 angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546435
Dimensions8.68 × 6.10 × 3.66 mm
L/W Ratio1.42
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
8.68 mm6.10 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546435
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.0%

Caratlytics Score

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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: $2,050 USD|Low: $258 USD|High: $2,340 USD|Avg: $852 USD|-12.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 13
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Retailer 19
Retailer 20
November 3, 2026
Retailer 17$258 USD
Retailer 9$333 USD
Retailer 4$405 USD
Retailer 19$480 USD
Retailer 13$493 USD
Retailer 8$526 USD
Retailer 2$534 USD
Retailer 15$610 USD
Retailer 7$623 USD
Retailer 18$696 USD
Retailer 5$761 USD
Retailer 3$921 USD
Retailer 10$970 USD
Retailer 11$971 USD
Retailer 12$1,045 USD
Retailer 14$1,144 USD
Retailer 16$1,244 USD
Retailer 6$1,290 USD
Retailer 20$1,545 USD
Brilliant Earth$2,050 USD

39 data points across 20 retailers

30 retailers$258 USD to $2,050 USD

Retailer 1
-
$239 USD
Price last confirmed 35 days ago
A
Retailer 2
-
$258 USD
View
Final sale: no returns
Retailer 3
-
$267 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$277 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$285 USD
View
Retailer 6
-
$285 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$285 USD
View
Price last confirmed 31 days ago
Retailer 8
-
$292 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
$333 USD
HK$2,600 HKD
View
A
Retailer 10
-
$405 USD
View
A
Retailer 11
-
$480 USD
€457 EUR
View
A
Retailer 12
-
$493 USD
ZAR 7,963 ZAR
View
A
Retailer 13
-
$526 USD
View
A
Retailer 14
-
$534 USD
£420 GBP
View
A
Retailer 15
-
$610 USD
A$938 AUD
View
Retailer 16
-
$623 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$696 USD
A$1,071 AUD
View
B+
Retailer 18
-
$761 USD
View
Retailer 19
-
$918 USD
View
Price last confirmed 24 days ago
B+
Retailer 20
-
$921 USD
View
Retailer 21
-
$952 USD
View
Price last confirmed 33 days ago
B+
Retailer 22
-
$970 USD
View
B+
Retailer 23
-
$971 USD
SGD 1,312 SGD
View
B+
Retailer 24
-
$1,045 USD
View
B+
Retailer 25
-
$1,144 USD
£901 GBP
View
B+
Retailer 26
-
$1,244 USD
A$1,914 AUD
View
B
Retailer 27
-
$1,290 USD
View
Retailer 28
-
$1,545 USD
View
Price last confirmed 12 days ago
Retailer 29
-
$1,556 USD
View
Price last confirmed 75 days ago
Most Expensive
B
Brilliant Earth
16656348A · Nov 2
$2,050 USD
View
29 more retailers have this diamond
Prices start from $258 USDSave up to $1,792 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
$258 USD