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Oval|Lab Grown|IGI

4.63ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG621455876

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG621455876

Diamond specifications and retailer prices

From $735 AUD
$516 USD
As of October 29, 2026
Save $4,817 AUD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,552 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.63ct lab-grown oval diamond

This 4.63ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621455876 or 621455876. Listed at 15 retailers as of October 29, 2026, with prices from $735 to $5,552, a $4,817 spread on the same certified stone. Brilliant Earth lists it at $5,552. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.63
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455876
Dimensions13.91 × 9.34 × 5.78 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Top View
13.91 mm9.34 mm4.63 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455876
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.9%

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 29
Current: $5,552 AUD|Low: $705 AUD|High: $5,723 AUD|Avg: $2,107 AUD|-3.0%
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
October 30, 2026
Retailer 5$735 AUD
Retailer 15$765 AUD
Retailer 11$823 AUD
Retailer 3$911 AUD
Retailer 16$911 AUD
Retailer 9$1,103 AUD
Retailer 2$1,411 AUD
Retailer 6$1,414 AUD
Retailer 7$1,509 AUD
Retailer 14$1,555 AUD
Retailer 12$2,350 AUD
Retailer 4$2,396 AUD
Retailer 8$2,696 AUD
Retailer 10$3,808 AUD
Retailer 13$5,431 AUD
Brilliant Earth$5,552 AUD

37 data points across 16 retailers

15 retailers$735 AUD to $5,552 AUD

A
Cheapest Retailer
-
$735 AUD
$516 USD
Retailer 2
-
$765 AUD
£423 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$823 AUD
$578 USD
View
A
Retailer 4
-
$911 AUD
$640 USD
View
Retailer 5
-
$911 AUD
$640 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,103 AUD
$775 USD
View
A
Retailer 7
-
$1,411 AUD
£781 GBP
View
B+
Retailer 8
-
$1,414 AUD
$993 USD
View
A
Retailer 9
-
$1,509 AUD
$1,060 USD
View
B+
Retailer 10
-
$2,350 AUD
$1,651 USD
View
B+
Retailer 11
-
$2,396 AUD
$1,683 USD
View
B+
Retailer 12
-
$2,696 AUD
$1,894 USD
View
B
Retailer 13
-
$3,808 AUD
£2,106 GBP
View
Retailer 14
-
$5,431 AUD
$3,815 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9395554A · Oct 29
$5,552 AUD
$3,900 USD
View
14 more retailers have this diamond
Prices start from $735 AUDSave up to $4,817 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
4.63ct Oval
$735 AUD