Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG700548458

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700548458

Diamond specifications and retailer prices

From $227 USD
As of November 3, 2026
Save $1,563 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,790 USD at Brilliant Earth · As of November 3, 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 LG700548458 or 700548458. Listed at 23 retailers as of November 3, 2026, with prices from $227 to $1,790, a $1,563 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 angle35.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700548458
Dimensions8.60 × 5.89 × 3.72 mm
L/W Ratio1.46
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
8.60 mm5.89 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700548458
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,790 USD|Low: $200 USD|High: $2,070 USD|Avg: $709 USD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 8$208 USD
Retailer 2$227 USD
Retailer 9$258 USD
Retailer 16$355 USD
Retailer 14$426 USD
Retailer 12$435 USD
Retailer 10$462 USD
Retailer 4$537 USD
Retailer 5$571 USD
Retailer 11$614 USD
Retailer 15$642 USD
Retailer 3$752 USD
Retailer 6$863 USD
Retailer 13$1,177 USD
Retailer 17$1,203 USD
Retailer 7$1,555 USD
Brilliant Earth$1,790 USD

39 data points across 17 retailers

23 retailers$227 USD to $1,790 USD

Retailer 1
-
$208 USD
Price last confirmed 23 days ago
Retailer 2
-
$212 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$227 USD
View
Final sale: no returns
Retailer 4
-
$245 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$258 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$258 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$259 USD
View
Price last confirmed 39 days ago
B+
Retailer 8
-
$355 USD
View
A
Retailer 9
-
$426 USD
€406 EUR
View
A
Retailer 10
-
$435 USD
ZAR 7,020 ZAR
View
A
Retailer 11
-
$462 USD
£364 GBP
View
A
Retailer 12
-
$537 USD
View
A
Retailer 13
-
$571 USD
View
A
Retailer 14
-
$614 USD
A$944 AUD
View
B+
Retailer 15
-
$642 USD
View
B+
Retailer 16
-
$752 USD
View
Retailer 17
-
$829 USD
View
Price last confirmed 27 days ago
Retailer 18
-
$832 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$863 USD
View
B
Retailer 20
-
$1,177 USD
£927 GBP
View
B
Retailer 21
-
$1,203 USD
View
Retailer 22
-
$1,555 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
17664276A · Nov 3
$1,790 USD
View
22 more retailers have this diamond
Prices start from $227 USDSave up to $1,563 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
$227 USD