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Oval|Lab Grown|IGI

1.83ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG837655279

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837655279

Diamond specifications and retailer prices

From $1,265 AUD
$889 USD
As of October 28, 2026
Save $6,022 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,288 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.83ct lab-grown oval diamond

This 1.83ct 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 LG837655279 or 837655279. Listed at 14 retailers as of October 28, 2026, with prices from $1,265 to $7,288, a $6,022 spread on the same certified stone. Brilliant Earth lists it at $7,288. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837655279
Dimensions10.01 × 6.89 × 4.30 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
10.01 mm6.89 mm1.83 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837655279
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 62.4%

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: Oct 28
Current: $7,288 AUD|Low: $1,265 AUD|High: $7,288 AUD|Avg: $3,030 AUD
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
October 29, 2026
Retailer 15$1,265 AUD
Retailer 9$1,452 AUD
Retailer 11$1,466 AUD
Retailer 7$1,879 AUD
Retailer 2$2,006 AUD
Retailer 5$2,077 AUD
Retailer 4$2,286 AUD
Retailer 10$2,411 AUD
Retailer 14$3,120 AUD
Retailer 12$4,186 AUD
Retailer 13$4,399 AUD
Retailer 3$4,412 AUD
Retailer 6$4,536 AUD
Retailer 8$4,944 AUD
Brilliant Earth$7,288 AUD

12 data points across 15 retailers

14 retailers$1,265 AUD to $7,288 AUD

A
Cheapest Retailer
-
$1,265 AUD
$889 USD
Final sale: no returns
A
Retailer 2
-
$1,452 AUD
£803 GBP
View
A
Retailer 3
-
$1,466 AUD
$1,030 USD
View
B+
Retailer 4
-
$1,879 AUD
$1,320 USD
View
B+
Retailer 5
-
$2,006 AUD
£1,110 GBP
View
B+
Retailer 6
-
$2,286 AUD
$1,606 USD
View
B+
Retailer 7
-
$2,411 AUD
ZAR 27,368 ZAR
View
B
Retailer 8
-
$3,120 AUD
$2,192 USD
View
B
Retailer 9
-
$4,186 AUD
$2,941 USD
View
B
Retailer 10
-
$4,399 AUD
$3,091 USD
View
B
Retailer 11
-
$4,412 AUD
SGD 4,189 SGD
View
B
Retailer 12
-
$4,536 AUD
$3,187 USD
View
B
Retailer 13
-
$4,944 AUD
£2,735 GBP
View
Most Expensive
B
Brilliant Earth
22228438A · Oct 29
$7,288 AUD
$5,120 USD
View
13 more retailers have this diamond
Prices start from $1,265 AUDSave up to $6,022 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
1.83ct Oval
$1,265 AUD