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Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG815698121

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815698121

Diamond specifications and retailer prices

From $340 AUD
$239 USD
As of November 1, 2026
Save $3,632 AUD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,972 AUD at Brilliant Earth · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815698121 or 815698121. Listed at 21 retailers as of October 31, 2026, with prices from $340 to $3,972, a $3,632 spread on the same certified stone. Brilliant Earth lists it at $3,972. 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815698121
Dimensions8.92 × 6.05 × 3.56 mm
L/W Ratio1.47
Girdle conditionFaceted
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
8.92 mm6.05 mm1.21 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815698121
Side View
Table 61.0%Crown 34.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 58.8%

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: $3,972 AUD|Low: $340 AUD|High: $4,926 AUD|Avg: $1,208 AUD|-19.4%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 6$340 AUD
Retailer 8$379 AUD
Retailer 19$394 AUD
Retailer 12$421 AUD
Retailer 18$421 AUD
Retailer 2$434 AUD
Retailer 4$710 AUD
Retailer 16$722 AUD
Retailer 15$727 AUD
Retailer 21$762 AUD
Retailer 13$797 AUD
Retailer 7$1,089 AUD
Retailer 11$1,354 AUD
Retailer 5$1,360 AUD
Retailer 10$1,407 AUD
Retailer 9$1,429 AUD
Retailer 3$1,526 AUD
Retailer 20$1,649 AUD
Retailer 17$1,698 AUD
Retailer 14$3,680 AUD
Brilliant Earth$3,972 AUD

27 data points across 21 retailers

21 retailers$340 AUD to $3,972 AUD

A
Cheapest Retailer
-
$340 AUD
$239 USD
A
Retailer 2
-
$379 AUD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$394 AUD
$277 USD
View
Retailer 4
-
$421 AUD
$296 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$421 AUD
$296 USD
View
A
Retailer 6
-
$434 AUD
£240 GBP
View
A
Retailer 7
-
$710 AUD
$499 USD
View
A
Retailer 8
-
$722 AUD
€483 EUR
View
A
Retailer 9
-
$727 AUD
ZAR 8,255 ZAR
View
A
Retailer 10
-
$762 AUD
$535 USD
View
A
Retailer 11
-
$797 AUD
£441 GBP
View
B+
Retailer 12
-
$1,089 AUD
$765 USD
View
B+
Retailer 13
-
$1,354 AUD
$951 USD
View
B+
Retailer 14
-
$1,360 AUD
$955 USD
View
B+
Retailer 15
-
$1,407 AUD
SGD 1,336 SGD
View
B+
Retailer 16
-
$1,429 AUD
$1,003 USD
View
B+
Retailer 17
-
$1,526 AUD
$1,072 USD
View
B+
Retailer 18
-
$1,649 AUD
£912 GBP
View
B+
Retailer 19
-
$1,698 AUD
£939 GBP
View
Retailer 20
-
$3,680 AUD
$2,585 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21422536A · Oct 31
$3,972 AUD
$2,790 USD
View
20 more retailers have this diamond
Prices start from $340 AUDSave up to $3,632 AUD

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
$340 AUD