Oval|Lab Grown|IGI

1.21ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG816610561

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816610561

Diamond specifications and retailer prices

From $374 AUD
$263 USD
As of October 30, 2026
Save $2,644 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,146 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610561 or 816610561. Listed at 19 retailers as of October 30, 2026, with a 706% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610561
Dimensions8.65 × 6.06 × 3.70 mm
L/W Ratio1.43
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
8.65 mm6.06 mm1.21 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610561
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.1%

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: Oct 30
Current: $3,146 AUD|Low: $238 AUD|High: $4,370 AUD|Avg: $1,238 AUD|-1.3%
Rare Carat
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
October 30, 2026
Retailer 8$238 AUD
Retailer 14$374 AUD
Retailer 6$430 AUD
Retailer 7$436 AUD
Retailer 10$587 AUD
Retailer 12$716 AUD
Retailer 5$720 AUD
Retailer 9$788 AUD
Retailer 15$909 AUD
Retailer 13$1,112 AUD
Retailer 4$1,405 AUD
Retailer 3$1,415 AUD
Retailer 16$1,674 AUD
Retailer 11$1,864 AUD
Retailer 2$3,018 AUD
Rare Carat$3,146 AUD

33 data points across 16 retailers

19 retailers$374 AUD to $3,018 AUD

Retailer 1
-
$352 AUD
$247 USD
Price last confirmed 37 days ago
Retailer 2
-
$352 AUD
$247 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$374 AUD
$263 USD
View
Final sale: no returns
Retailer 4
-
$407 AUD
$286 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$430 AUD
$302 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$436 AUD
$306 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$436 AUD
$306 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$587 AUD
$412 USD
View
A
Retailer 9
-
$716 AUD
ZAR 8,130 ZAR
View
A
Retailer 10
-
$788 AUD
£436 GBP
View
B+
Retailer 11
-
$909 AUD
$639 USD
View
B+
Retailer 12
-
$1,112 AUD
$781 USD
View
Retailer 13
-
$1,399 AUD
$983 USD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$1,405 AUD
$987 USD
View
B+
Retailer 15
-
$1,415 AUD
$994 USD
View
B+
Retailer 16
-
$1,674 AUD
£926 GBP
View
B
Retailer 17
-
$1,864 AUD
$1,309 USD
View
B
Retailer 18
-
$3,018 AUD
$2,120 USD
View
Most Expensive
Rare Carat
C431-30A · Oct 21
$3,146 AUD
$2,210 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $374 AUDSave up to $2,644 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
$374 AUD