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Oval|Lab Grown|IGI

4.51ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG647476972

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG647476972

Diamond specifications and retailer prices

From $655 USD
As of October 29, 2026
Save $5,155 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,810 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown oval diamond

This 4.51ct 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 LG647476972 or 647476972. Listed at 14 retailers as of October 29, 2026, with prices from $655 to $5,810, a $5,155 spread on the same certified stone. Do Amore Diamonds lists it at $5,810. 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

4.51
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647476972
Dimensions13.71 × 9.18 × 5.77 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.71 mm9.18 mm4.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647476972
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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: $5,810 USD|Low: $655 USD|High: $6,300 USD|Avg: $2,399 USD|-7.8%
Do Amore Diamonds
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 17$655 USD
Retailer 13$712 USD
Retailer 11$880 USD
Retailer 12$1,050 USD
Retailer 7$1,109 USD
Retailer 8$1,201 USD
Retailer 5$1,239 USD
Retailer 14$1,458 USD
Retailer 10$1,858 USD
Retailer 15$1,939 USD
Retailer 4$2,356 USD
Retailer 16$3,024 USD
Retailer 3$3,290 USD
Retailer 2$3,308 USD
Retailer 6$3,780 USD
Do Amore Diamonds$5,810 USD
Retailer 9$5,942 USD

24 data points across 17 retailers

14 retailers$655 USD to $5,810 USD

A
Cheapest Retailer
-
$655 USD
A
Retailer 2
-
$712 USD
View
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$1,050 USD
HK$8,200 HKD
View
B+
Retailer 5
-
$1,239 USD
View
B+
Retailer 6
-
$1,458 USD
View
B+
Retailer 7
-
$1,858 USD
A$2,858 AUD
View
B+
Retailer 8
-
$1,939 USD
View
B
Retailer 9
-
$2,356 USD
View
B
Retailer 10
-
$3,024 USD
SGD 4,087 SGD
View
Retailer 11
-
$3,290 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$3,308 USD
£2,605 GBP
View
B
Retailer 13
-
$3,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-AD6FE5D17 · Oct 30
$5,810 USD
View
13 more retailers have this diamond
Prices start from $655 USDSave up to $5,155 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
4.51ct Oval
$655 USD