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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 $932 AUD
$655 USD
As of October 29, 2026
Save $7,339 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,271 AUD 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 $932 to $8,271, a $7,339 spread on the same certified stone. Do Amore Diamonds lists it at $8,271. 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
Colour
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: $8,271 AUD|Low: $1,014 AUD|High: $8,969 AUD|Avg: $3,673 AUD|-7.8%
Do Amore Diamonds
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
October 29, 2026
Retailer 11$1,014 AUD
Retailer 9$1,253 AUD
Retailer 10$1,494 AUD
Retailer 5$1,579 AUD
Retailer 6$1,710 AUD
Retailer 3$1,764 AUD
Retailer 12$2,076 AUD
Retailer 8$2,645 AUD
Retailer 13$2,760 AUD
Retailer 14$4,306 AUD
Retailer 15$4,684 AUD
Retailer 2$4,710 AUD
Retailer 4$5,381 AUD
Do Amore Diamonds$8,271 AUD
Retailer 7$8,459 AUD

20 data points across 15 retailers

14 retailers$932 AUD to $8,271 AUD

A
Cheapest Retailer
-
$932 AUD
$655 USD
A
Retailer 2
-
$1,014 AUD
$712 USD
View
A
Retailer 3
-
$1,253 AUD
$880 USD
View
A
Retailer 4
-
$1,494 AUD
HK$8,200 HKD
View
B+
Retailer 5
-
$1,764 AUD
$1,239 USD
View
B+
Retailer 6
-
$2,076 AUD
$1,458 USD
View
B+
Retailer 7
-
$2,645 AUD
View
B+
Retailer 8
-
$2,760 AUD
$1,939 USD
View
B
Retailer 9
-
$3,354 AUD
$2,356 USD
View
B
Retailer 10
-
$4,306 AUD
SGD 4,087 SGD
View
Retailer 11
-
$4,684 AUD
$3,290 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$4,710 AUD
£2,605 GBP
View
B
Retailer 13
-
$5,381 AUD
$3,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-AD6FE5D17 · Oct 30
$8,271 AUD
$5,810 USD
View
13 more retailers have this diamond
Prices start from $932 AUDSave up to $7,339 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.

A
4.51ct Oval
$932 AUD