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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG844635982

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844635982

Diamond specifications and retailer prices

From $790 NZD
$445 USD
As of October 29, 2026
Save $2,823 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,347 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 top-tier cut grade and certified by IGI LG844635982 or 844635982. Listed at 14 retailers as of October 29, 2026, with a 357% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844635982
Dimensions13.28 × 8.80 × 5.20 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.28 mm8.80 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844635982
Side View
Table 63.0%Crown 32.7°Girdle: STK-VTKPavilion 38.7°Culet: NoneDepth 59.1%

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: $4,347 NZD|Low: $790 NZD|High: $4,347 NZD|Avg: $2,312 NZD
Rare Carat
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 31, 2026
Retailer 12$790 NZD
Retailer 11$819 NZD
Retailer 13$882 NZD
Retailer 8$1,233 NZD
Retailer 5$1,313 NZD
Retailer 7$1,509 NZD
Retailer 2$1,617 NZD
Retailer 15$1,710 NZD
Retailer 4$2,404 NZD
Retailer 9$2,630 NZD
Retailer 3$3,105 NZD
Retailer 6$3,203 NZD
Retailer 10$3,340 NZD
Retailer 14$3,612 NZD
Rare Carat$4,347 NZD

18 data points across 15 retailers

14 retailers$790 NZD to $3,612 NZD

A
Cheapest Retailer
-
$790 NZD
$445 USD
A
Retailer 2
-
$819 NZD
£364 GBP
View
A
Retailer 3
-
$882 NZD
$497 USD
View
Final sale: no returns
A
Retailer 4
-
$1,233 NZD
$695 USD
View
B+
Retailer 5
-
$1,313 NZD
$740 USD
View
A
Retailer 6
-
$1,617 NZD
£718 GBP
View
A
Retailer 7
-
$1,710 NZD
$964 USD
View
B+
Retailer 8
-
$2,404 NZD
$1,355 USD
View
B+
Retailer 9
-
$2,630 NZD
$1,482 USD
View
B+
Retailer 10
-
$3,105 NZD
SGD 2,365 SGD
View
B+
Retailer 11
-
$3,203 NZD
$1,805 USD
View
B
Retailer 12
-
$3,340 NZD
$1,882 USD
View
B
Retailer 13
-
$3,612 NZD
£1,603 GBP
View
Most Expensive
Rare Carat
42A844635982 · Oct 18
$4,347 NZD
$2,450 USD
View
Price last confirmed 12 days ago
13 more retailers have this diamond
Prices start from $790 NZDSave up to $2,823 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
$790 NZD