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Oval|Lab Grown|IGI

1.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG840619817

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840619817

Diamond specifications and retailer prices

From $430 AUD
$302 USD
As of October 29, 2026
Save $4,738 AUD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,168 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840619817 or 840619817. Listed at 20 retailers as of October 28, 2026, with prices from $430 to $5,168, a $4,738 spread on the same certified stone. Rare Carat lists it at $5,168. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619817
Dimensions9.21 × 6.40 × 4.04 mm
L/W Ratio1.44
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
9.21 mm6.40 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619817
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.1%

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 29
Current: $5,168 AUD|Low: $430 AUD|High: $5,210 AUD|Avg: $1,372 AUD|-0.8%
Rare Carat
Retailer 2
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Retailer 11
Retailer 12
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Retailer 21
October 30, 2026
Retailer 7$430 AUD
Retailer 6$480 AUD
Retailer 20$498 AUD
Retailer 5$532 AUD
Retailer 19$532 AUD
Retailer 13$550 AUD
Retailer 2$715 AUD
Retailer 18$719 AUD
Retailer 8$864 AUD
Retailer 4$901 AUD
Retailer 17$915 AUD
Retailer 15$945 AUD
Retailer 21$1,448 AUD
Retailer 3$1,636 AUD
Retailer 12$1,706 AUD
Retailer 10$1,711 AUD
Retailer 9$1,779 AUD
Retailer 14$1,872 AUD
Retailer 16$2,144 AUD
Retailer 11$2,161 AUD
Rare Carat$5,168 AUD

17 data points across 21 retailers

20 retailers$430 AUD to $5,168 AUD

A
Cheapest Retailer
-
$430 AUD
$302 USD
A
Retailer 2
-
$480 AUD
$337 USD
View
Final sale: no returns
A
Retailer 3
-
$498 AUD
$350 USD
View
A
Retailer 4
-
$532 AUD
$374 USD
View
A
Retailer 5
-
$532 AUD
$374 USD
View
A
Retailer 6
-
$550 AUD
£304 GBP
View
A
Retailer 7
-
$715 AUD
$502 USD
View
A
Retailer 8
-
$719 AUD
$505 USD
View
A
Retailer 9
-
$901 AUD
$633 USD
View
A
Retailer 10
-
$915 AUD
ZAR 10,379 ZAR
View
A
Retailer 11
-
$945 AUD
£523 GBP
View
B+
Retailer 12
-
$1,448 AUD
$1,017 USD
View
B+
Retailer 13
-
$1,636 AUD
$1,149 USD
View
B+
Retailer 14
-
$1,706 AUD
SGD 1,619 SGD
View
B+
Retailer 15
-
$1,711 AUD
$1,202 USD
View
B+
Retailer 16
-
$1,779 AUD
$1,249 USD
View
B+
Retailer 17
-
$1,872 AUD
$1,315 USD
View
B+
Retailer 18
-
$2,144 AUD
£1,186 GBP
View
B+
Retailer 19
-
$2,161 AUD
$1,518 USD
View
Most Expensive
B
Rare Carat
M20A-22_l_840619817 · Oct 28
$5,168 AUD
$3,630 USD
View
19 more retailers have this diamond
Prices start from $430 AUDSave up to $4,738 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
1.51ct Oval
$430 AUD