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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 $916 NZD
$516 USD
As of October 29, 2026
Save $6,004 NZD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,920 NZD 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 $916 to $6,920, a $6,004 spread on the same certified stone. Brilliant Earth lists it at $6,920. 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

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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: $6,920 NZD|Low: $878 NZD|High: $7,133 NZD|Avg: $2,626 NZD|-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$916 NZD
Retailer 15$953 NZD
Retailer 11$1,026 NZD
Retailer 3$1,136 NZD
Retailer 16$1,136 NZD
Retailer 9$1,375 NZD
Retailer 2$1,759 NZD
Retailer 6$1,762 NZD
Retailer 7$1,881 NZD
Retailer 14$1,938 NZD
Retailer 12$2,929 NZD
Retailer 4$2,986 NZD
Retailer 8$3,361 NZD
Retailer 10$4,746 NZD
Retailer 13$6,769 NZD
Brilliant Earth$6,920 NZD

37 data points across 16 retailers

15 retailers$916 NZD to $6,920 NZD

A
Cheapest Retailer
-
$916 NZD
$516 USD
Retailer 2
-
$953 NZD
£423 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,026 NZD
$578 USD
View
A
Retailer 4
-
$1,136 NZD
$640 USD
View
Retailer 5
-
$1,136 NZD
$640 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,375 NZD
$775 USD
View
A
Retailer 7
-
$1,759 NZD
£781 GBP
View
B+
Retailer 8
-
$1,762 NZD
$993 USD
View
A
Retailer 9
-
$1,881 NZD
$1,060 USD
View
B+
Retailer 10
-
$2,929 NZD
$1,651 USD
View
B+
Retailer 11
-
$2,986 NZD
$1,683 USD
View
B+
Retailer 12
-
$3,361 NZD
$1,894 USD
View
B
Retailer 13
-
$4,746 NZD
£2,106 GBP
View
Retailer 14
-
$6,769 NZD
$3,815 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
9395554A · Oct 29
$6,920 NZD
$3,900 USD
View
14 more retailers have this diamond
Prices start from $916 NZDSave up to $6,004 NZD

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
$916 NZD