Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG816611188

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816611188

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of November 1, 2026
Save $2,457 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,680 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816611188 or 816611188. Listed at 20 retailers as of October 31, 2026, with a 707% 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611188
Dimensions8.70 × 6.00 × 3.76 mm
L/W Ratio1.45
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
8.70 mm6.00 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611188
Side View
Table 58.0%Crown 35.4°Girdle: THN-STKPavilion 41.1°Culet: NoneDepth 62.7%

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: $3,680 AUD|Low: $347 AUD|High: $4,926 AUD|Avg: $1,212 AUD|-1.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 7$347 AUD
Retailer 5$389 AUD
Retailer 4$403 AUD
Retailer 17$430 AUD
Retailer 11$460 AUD
Retailer 18$605 AUD
Retailer 14$715 AUD
Retailer 13$743 AUD
Retailer 12$811 AUD
Retailer 2$817 AUD
Retailer 10$877 AUD
Retailer 6$942 AUD
Retailer 15$1,071 AUD
Retailer 3$1,090 AUD
Retailer 20$1,384 AUD
Retailer 9$1,457 AUD
Retailer 8$1,727 AUD
Retailer 19$1,898 AUD
Retailer 16$2,804 AUD
Rare Carat$3,680 AUD

33 data points across 20 retailers

20 retailers$347 AUD to $2,804 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
A
Retailer 2
-
$389 AUD
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$403 AUD
$283 USD
View
A
Retailer 4
-
$430 AUD
$302 USD
View
Retailer 5
-
$460 AUD
$323 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$605 AUD
$425 USD
View
A
Retailer 7
-
$715 AUD
€478 EUR
View
A
Retailer 8
-
$743 AUD
ZAR 8,431 ZAR
View
Retailer 9
-
$811 AUD
$570 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$817 AUD
£452 GBP
View
A
Retailer 11
-
$877 AUD
$616 USD
View
A
Retailer 12
-
$942 AUD
$662 USD
View
B+
Retailer 13
-
$1,071 AUD
$752 USD
View
B+
Retailer 14
-
$1,090 AUD
$766 USD
View
B+
Retailer 15
-
$1,384 AUD
$972 USD
View
B+
Retailer 16
-
$1,457 AUD
$1,024 USD
View
B+
Retailer 17
-
$1,727 AUD
£955 GBP
View
B+
Retailer 18
-
$1,898 AUD
$1,333 USD
View
B
Retailer 19
-
$2,804 AUD
$1,970 USD
View
Most Expensive
Rare Carat
C435-2A · Oct 21
$3,680 AUD
$2,585 USD
View
Price last confirmed 11 days ago
19 more retailers have this diamond
Prices start from $347 AUDSave up to $2,457 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
$347 AUD