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Oval|Lab Grown|IGI

5.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678546984

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678546984

Diamond specifications and retailer prices

From $1,132 NZD
$638 USD
As of October 29, 2026
Save $6,622 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,754 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.05ct lab-grown oval diamond

This 5.05ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678546984 or 678546984. Listed at 17 retailers as of October 29, 2026, with prices from $1,132 to $7,754, a $6,622 spread on the same certified stone. Brilliant Earth lists it at $7,754. 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

5.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678546984
Dimensions13.64 × 9.54 × 6.08 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.64 mm9.54 mm5.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678546984
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.7%

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: $7,754 NZD|Low: $1,086 NZD|High: $8,321 NZD|Avg: $2,754 NZD|-6.8%
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
October 31, 2026
Retailer 10$1,132 NZD
Retailer 3$1,231 NZD
Retailer 5$1,267 NZD
Retailer 11$1,313 NZD
Retailer 9$1,623 NZD
Retailer 4$1,998 NZD
Retailer 2$2,097 NZD
Retailer 7$2,131 NZD
Retailer 12$2,143 NZD
Retailer 8$3,046 NZD
Retailer 13$3,691 NZD
Retailer 6$5,559 NZD
Brilliant Earth$7,754 NZD

43 data points across 13 retailers

17 retailers$1,132 NZD to $7,754 NZD

A
Cheapest Retailer
-
$1,132 NZD
$638 USD
A
Retailer 2
-
$1,231 NZD
$694 USD
View
A
Retailer 3
-
$1,267 NZD
$714 USD
View
Final sale: no returns
A
Retailer 4
-
$1,313 NZD
$740 USD
View
Retailer 5
-
$1,313 NZD
$740 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,623 NZD
$915 USD
View
A
Retailer 7
-
$1,998 NZD
$1,126 USD
View
A
Retailer 8
-
$2,097 NZD
£930 GBP
View
A
Retailer 9
-
$2,131 NZD
€1,144 EUR
View
B+
Retailer 10
-
$2,143 NZD
$1,208 USD
View
B+
Retailer 11
-
$3,046 NZD
$1,717 USD
View
B+
Retailer 12
-
$3,614 NZD
$2,037 USD
View
B+
Retailer 13
-
$3,691 NZD
$2,080 USD
View
B
Retailer 14
-
$4,383 NZD
$2,470 USD
View
B
Retailer 15
-
$4,530 NZD
$2,553 USD
View
B
Retailer 16
-
$5,559 NZD
£2,467 GBP
View
Most Expensive
B
Brilliant Earth
13071900A · Oct 31
$7,754 NZD
$4,370 USD
View
16 more retailers have this diamond
Prices start from $1,132 NZDSave up to $6,622 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
5.05ct Oval
$1,132 NZD