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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG848616381

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG848616381

Diamond specifications and retailer prices

From $886 NZD
£393 GBP
As of October 30, 2026
Save $5,094 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,979 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848616381 or 848616381. Listed at 11 retailers as of October 28, 2026, with prices from $886 to $5,979, a $5,094 spread on the same certified stone. Brilliant Earth lists it at $5,979. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848616381
Dimensions12.77 × 8.88 × 5.40 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm8.88 mm4.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848616381
Side View
Table 57.0%Crown 36.3°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 60.8%

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 30
Current: $5,979 NZD|Low: $884 NZD|High: $5,979 NZD|Avg: $2,410 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$886 NZD
Retailer 3$956 NZD
Retailer 8$1,304 NZD
Retailer 6$1,419 NZD
Retailer 4$1,757 NZD
Retailer 11$2,342 NZD
Retailer 9$2,427 NZD
Retailer 7$2,844 NZD
Retailer 10$3,451 NZD
Retailer 5$3,907 NZD
Brilliant Earth$5,979 NZD

8 data points across 11 retailers

11 retailers$886 NZD to $5,979 NZD

A
Cheapest Retailer
-
$886 NZD
£393 GBP
A
Retailer 2
-
$956 NZD
$539 USD
View
Final sale: no returns
A
Retailer 3
-
$1,304 NZD
$735 USD
View
B+
Retailer 4
-
$1,419 NZD
$800 USD
View
B+
Retailer 5
-
$1,757 NZD
£780 GBP
View
B+
Retailer 6
-
$2,342 NZD
$1,320 USD
View
B+
Retailer 7
-
$2,427 NZD
$1,368 USD
View
B
Retailer 8
-
$2,844 NZD
$1,603 USD
View
B
Retailer 9
-
$3,451 NZD
$1,945 USD
View
B
Retailer 10
-
$3,907 NZD
£1,734 GBP
View
Most Expensive
B
Brilliant Earth
22255351A · Oct 28
$5,979 NZD
$3,370 USD
View
10 more retailers have this diamond
Prices start from $886 NZDSave up to $5,094 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
4.00ct Oval
$886 NZD