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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG683599776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG683599776

Diamond specifications and retailer prices

From $781 NZD
$440 USD
As of October 29, 2026
Save $2,798 NZD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,578 NZD at MOH London · As of October 29, 2026
View at MOH London

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 LG683599776 or 683599776. Listed at 13 retailers as of October 29, 2026, with prices from $781 to $3,578, a $2,798 spread on the same certified stone. MOH London lists it at $3,578. 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 angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683599776
Dimensions13.13 × 8.78 × 5.57 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.13 mm8.78 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683599776
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.4%

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: $3,578 NZD|Low: $781 NZD|High: $12,935 NZD|Avg: $3,143 NZD
MOH London
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
Retailer 17
October 31, 2026
Retailer 12$781 NZD
Retailer 10$811 NZD
Retailer 6$875 NZD
Retailer 14$969 NZD
Retailer 16$1,067 NZD
Retailer 13$1,224 NZD
Retailer 4$1,521 NZD
Retailer 15$1,576 NZD
Retailer 11$1,601 NZD
Retailer 7$2,224 NZD
Retailer 17$2,404 NZD
Retailer 2$2,605 NZD
Retailer 5$3,116 NZD
MOH London$3,578 NZD
Retailer 3$4,347 NZD
Retailer 8$9,351 NZD
Retailer 9$12,935 NZD

4 data points across 17 retailers

13 retailers$781 NZD to $3,578 NZD

A
Cheapest Retailer
-
$781 NZD
$440 USD
A
Retailer 2
-
$811 NZD
£360 GBP
View
A
Retailer 3
-
$875 NZD
$493 USD
View
A
Retailer 4
-
$969 NZD
$546 USD
View
A
Retailer 5
-
$1,067 NZD
HK$4,700 HKD
View
A
Retailer 6
-
$1,224 NZD
$690 USD
View
B+
Retailer 7
-
$1,521 NZD
$857 USD
View
A
Retailer 8
-
$1,576 NZD
$888 USD
View
A
Retailer 9
-
$1,601 NZD
£711 GBP
View
B+
Retailer 10
-
$2,404 NZD
$1,355 USD
View
B+
Retailer 11
-
$2,605 NZD
$1,468 USD
View
B
Retailer 12
-
$3,116 NZD
$1,756 USD
View
Most Expensive
B
MOH London
LG683599776 · Oct 29
$3,578 NZD
£1,588 GBP
View
12 more retailers have this diamond
Prices start from $781 NZDSave up to $2,798 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
$781 NZD