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Oval|Lab Grown|IGI

3.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG783606897

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783606897

Diamond specifications and retailer prices

From $1,003 NZD
As of November 6, 2026
Save $4,399 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,402 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 3.5ct lab-grown oval diamond

This 3.5ct lab-grown oval sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783606897 or 783606897. Listed at 13 retailers as of November 3, 2026, with prices from $1,003 to $5,402, a $4,399 spread on the same certified stone. MOH London lists it at $5,402. 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

3.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783606897
Dimensions11.90 × 8.44 × 5.41 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm8.44 mm3.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783606897
Side View
Table 59.0%Crown 39.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.1%

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: Nov 6
Current: $5,402 NZD|Low: $963 NZD|High: $5,466 NZD|Avg: $2,281 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
November 3, 2026
Retailer 6$1,003 NZD
Retailer 10$1,124 NZD
Retailer 12$1,124 NZD
Retailer 7$1,245 NZD
Retailer 5$1,488 NZD
Retailer 3$1,564 NZD
Retailer 11$1,912 NZD
Retailer 8$1,919 NZD
Retailer 2$3,211 NZD
Retailer 9$3,272 NZD
Retailer 4$4,035 NZD
MOH London$5,402 NZD

15 data points across 12 retailers

13 retailers$1,003 NZD to $5,402 NZD

A
Cheapest Retailer
-
$1,003 NZD
A
Retailer 2
-
$1,124 NZD
View
A
Retailer 3
-
$1,124 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,245 NZD
View
Retailer 5
-
$1,245 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,488 NZD
View
A
Retailer 7
-
$1,564 NZD
View
A
Retailer 8
-
$1,912 NZD
View
A
Retailer 9
-
$1,919 NZD
View
B+
Retailer 10
-
$3,211 NZD
View
B+
Retailer 11
-
$3,272 NZD
View
B+
Retailer 12
-
$4,035 NZD
View
Most Expensive
B+
MOH London
LG783606897 · Nov 3
$5,402 NZD
£2,358 GBP
View
12 more retailers have this diamond
Prices start from $1,003 NZDSave up to $4,399 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
3.50ct Oval
$1,003 NZD