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Radiant|Lab Grown|IGI

4.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG847660231

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG847660231

Diamond specifications and retailer prices

From $1,665 AUD
£921 GBP
As of October 30, 2026
Save $10,422 AUD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,086 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown radiant diamond

This 4.51ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847660231 or 847660231. Listed at 10 retailers as of October 30, 2026, with prices from $1,665 to $12,086, a $10,422 spread on the same certified stone. Do Amore Diamonds lists it at $12,086. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847660231
Dimensions11.74 × 8.10 × 5.33 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.10 mm4.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847660231
Side View
Table 68.0%Crown 42.2°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 65.8%

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 30
Current: $12,086 AUD|Low: $1,665 AUD|High: $14,692 AUD|Avg: $4,848 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$1,665 AUD
Retailer 6$1,758 AUD
Retailer 10$2,780 AUD
Retailer 5$2,809 AUD
Retailer 2$3,404 AUD
Retailer 9$5,945 AUD
Retailer 8$6,258 AUD
Retailer 7$6,812 AUD
Retailer 3$7,929 AUD
Do Amore Diamonds$12,086 AUD

6 data points across 10 retailers

10 retailers$1,665 AUD to $12,086 AUD

A
Cheapest Retailer
-
$1,665 AUD
£921 GBP
A
Retailer 2
-
$1,758 AUD
$1,235 USD
View
Retailer 3
-
$2,780 AUD
$1,953 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$2,809 AUD
$1,973 USD
View
B+
Retailer 5
-
$3,404 AUD
$2,391 USD
View
Retailer 6
-
$5,945 AUD
£3,288 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
$6,258 AUD
$4,396 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$6,812 AUD
$4,785 USD
View
B
Retailer 9
-
$7,929 AUD
$5,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-3B15485DB · Oct 31
$12,086 AUD
$8,490 USD
View
9 more retailers have this diamond
Prices start from $1,665 AUDSave up to $10,422 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 Radiant
$1,665 AUD