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Oval|Lab Grown|IGI

4.00ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG745517070

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG745517070

Diamond specifications and retailer prices

From $2,002 AUD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $3,026 AUD at Rare Carat · As of September 6, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG745517070 or 745517070. Listed at 2 retailers as of November 2, 2026. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745517070
Dimensions12.50 × 8.94 × 5.63 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.50 mm8.94 mm4.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745517070
Side View
Table 61.0%Crown 37.2°Girdle: THN-THKPavilion 40.3°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,026 AUD|Low: $728 AUD|High: $8,547 AUD|Avg: $2,404 AUD
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
October 29, 2026
Retailer 7$728 AUD
Retailer 8$1,113 AUD
Retailer 13$1,390 AUD
Retailer 11$1,454 AUD
Retailer 6$1,468 AUD
Retailer 12$1,470 AUD
Retailer 4$1,648 AUD
Retailer 2$2,002 AUD
Retailer 9$2,152 AUD
Rare Carat$3,026 AUD
Retailer 3$3,123 AUD
Retailer 5$3,132 AUD
Retailer 10$8,547 AUD

4 data points across 13 retailers

2 retailers

B+
Cheapest Retailer
-
$2,002 AUD
Most Expensive
Rare Carat
LHD15A-5_l_745517070 · Sep 6
$3,026 AUD
$2,121 USD
View
Price last confirmed 57 days ago
1 more retailer has this diamond
Prices start from $2,002 AUD

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.

B+
4.00ct Oval
$2,002 AUD