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 $1,403 USD
A$2,158 AUD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $2,121 USD 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 October 31, 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
Color
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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Price History

Last verified: Oct 31
Current: $2,121 USD|Low: $510 USD|High: $5,990 USD|Avg: $1,685 USD
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$510 USD
Retailer 8$780 USD
Retailer 13$974 USD
Retailer 11$1,019 USD
Retailer 6$1,029 USD
Retailer 12$1,030 USD
Retailer 4$1,155 USD
Retailer 2$1,403 USD
Retailer 9$1,508 USD
Rare Carat$2,121 USD
Retailer 3$2,189 USD
Retailer 5$2,195 USD
Retailer 10$5,990 USD

4 data points across 13 retailers

2 retailers

B+
Cheapest Retailer
-
$1,403 USD
A$2,158 AUD
Most Expensive
Rare Carat
LHD15A-5_l_745517070 · Sep 6
$2,121 USD
View
Price last confirmed 56 days ago
1 more retailer has this diamond
Prices start from $1,403 USD

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
$1,403 USD