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Oval|Lab Grown|IGI

4.71ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG734521857

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG734521857

Diamond specifications and retailer prices

From $551 USD
As of October 29, 2026
Save $2,428 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,220 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.71ct lab-grown oval diamond

This 4.71ct 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 LG734521857 or 734521857. Listed at 16 retailers as of October 29, 2026, with a 441% 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

4.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734521857
Dimensions14.63 × 9.08 × 5.47 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.63 mm9.08 mm4.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734521857
Side View
Table 56.0%Crown 34.2°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 60.2%

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: $4,220 USD|Low: $529 USD|High: $7,800 USD|Avg: $1,708 USD|-1.5%
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 17$551 USD
Retailer 10$572 USD
Retailer 7$617 USD
Retailer 3$683 USD
Retailer 6$683 USD
Retailer 13$815 USD
Retailer 9$1,027 USD
Retailer 4$1,053 USD
Retailer 11$1,064 USD
Retailer 15$1,105 USD
Retailer 12$1,435 USD
Retailer 16$1,762 USD
Retailer 5$1,796 USD
Retailer 8$1,965 USD
Retailer 14$2,979 USD
Retailer 2$3,980 USD
Rare Carat$4,220 USD

38 data points across 17 retailers

16 retailers$551 USD to $2,979 USD

A
Cheapest Retailer
-
$551 USD
A
Retailer 2
-
$572 USD
£450 GBP
View
A
Retailer 3
-
$617 USD
View
Retailer 4
-
$683 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$683 USD
View
A
Retailer 6
-
$815 USD
View
A
Retailer 7
-
$1,027 USD
View
B+
Retailer 8
-
$1,053 USD
View
A
Retailer 9
-
$1,064 USD
£838 GBP
View
B+
Retailer 10
-
$1,435 USD
A$2,208 AUD
View
B+
Retailer 11
-
$1,762 USD
View
B+
Retailer 12
-
$1,796 USD
View
B+
Retailer 13
-
$1,965 USD
View
B
Retailer 14
-
$2,979 USD
£2,346 GBP
View
Retailer 15
-
$3,980 USD
View
Price under review
Most Expensive
Rare Carat
AAA00803 · Oct 21
$4,220 USD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $551 USDSave up to $2,428 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.

A
4.71ct Oval
$551 USD