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Radiant|Lab Grown|IGI

5.51ct D VS2 Radiant Lab Grown Diamond

VG • D/VS2 • IGI LG823673400

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

Certificate IGI LG823673400

Diamond specifications and retailer prices

From $1,688 AUD
$1,186 USD
As of October 30, 2026
Save $13,032 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,720 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.51ct lab-grown radiant diamond

This 5.51ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG823673400 or 823673400. Listed at 11 retailers as of October 29, 2026, with prices from $1,688 to $14,720, a $13,032 spread on the same certified stone. Do Amore Diamonds lists it at $14,720. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.51
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823673400
Dimensions12.04 × 8.58 × 5.95 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm8.58 mm5.51 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823673400
Side View
Table 66.0%Crown 46°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 69.3%

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: $14,720 AUD|Low: $2,207 AUD|High: $14,991 AUD|Avg: $5,578 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$2,391 AUD
Retailer 11$2,563 AUD
Retailer 8$3,106 AUD
Retailer 4$3,111 AUD
Retailer 7$3,858 AUD
Retailer 9$4,052 AUD
Retailer 10$4,583 AUD
Retailer 3$6,158 AUD
Retailer 2$6,981 AUD
Retailer 5$7,481 AUD
Do Amore Diamonds$14,720 AUD

24 data points across 11 retailers

11 retailers$1,688 AUD to $14,720 AUD

A
Cheapest Retailer
-
$1,688 AUD
$1,186 USD
A
Retailer 2
-
$1,836 AUD
$1,290 USD
View
Retailer 3
-
$2,391 AUD
£1,322 GBP
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$3,106 AUD
$2,182 USD
View
B+
Retailer 5
-
$3,111 AUD
$2,185 USD
View
B+
Retailer 6
-
$3,858 AUD
$2,710 USD
View
B+
Retailer 7
-
$4,052 AUD
$2,846 USD
View
B+
Retailer 8
-
$4,583 AUD
$3,219 USD
View
B
Retailer 9
-
$6,981 AUD
£3,861 GBP
View
B
Retailer 10
-
$7,481 AUD
$5,255 USD
View
Most Expensive
B
Do Amore Diamonds
7-1793013 · Oct 29
$14,720 AUD
$10,340 USD
View
10 more retailers have this diamond
Prices start from $1,688 AUDSave up to $13,032 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
5.51ct Radiant
$1,688 AUD