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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG831612311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831612311

Diamond specifications and retailer prices

From $1,909 AUD
$1,341 USD
As of October 30, 2026
Save $11,217 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,126 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831612311 or 831612311. Listed at 16 retailers as of October 30, 2026, with prices from $1,909 to $13,126, a $11,217 spread on the same certified stone. Do Amore Diamonds lists it at $13,126. 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

5.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831612311
Dimensions17.09 × 9.22 × 5.68 mm
L/W Ratio1.85
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.09 mm9.22 mm5.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831612311
Side View
Table 61.0%Crown 33.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.6%

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: $13,126 AUD|Low: $1,869 AUD|High: $13,126 AUD|Avg: $5,205 AUD|+2.1%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 17$1,909 AUD
Retailer 4$2,077 AUD
Retailer 19$2,357 AUD
Retailer 15$2,456 AUD
Retailer 13$2,646 AUD
Retailer 9$3,085 AUD
Retailer 12$3,115 AUD
Retailer 7$3,640 AUD
Retailer 10$3,834 AUD
Retailer 16$4,127 AUD
Retailer 3$4,581 AUD
Retailer 14$4,952 AUD
Retailer 8$5,898 AUD
Retailer 18$6,212 AUD
Retailer 2$6,981 AUD
Retailer 11$7,648 AUD
Retailer 5$10,949 AUD
Retailer 6$10,956 AUD
Do Amore Diamonds$13,126 AUD

24 data points across 19 retailers

16 retailers$1,909 AUD to $13,126 AUD

A
Cheapest Retailer
-
$1,909 AUD
$1,341 USD
A
Retailer 2
-
$2,077 AUD
$1,459 USD
View
A
Retailer 3
-
$2,357 AUD
$1,656 USD
View
A
Retailer 4
-
$2,456 AUD
$1,725 USD
View
A
Retailer 5
-
$2,646 AUD
£1,464 GBP
View
B+
Retailer 6
-
$3,115 AUD
$2,188 USD
View
B+
Retailer 7
-
$3,640 AUD
€2,435 EUR
View
B+
Retailer 8
-
$4,127 AUD
$2,899 USD
View
B+
Retailer 9
-
$4,581 AUD
$3,218 USD
View
B
Retailer 10
-
$4,952 AUD
View
Retailer 11
-
$5,898 AUD
$4,143 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$6,212 AUD
CA$6,061 CAD
View
B
Retailer 13
-
$6,981 AUD
£3,861 GBP
View
B
Retailer 14
-
$10,949 AUD
$7,691 USD
View
B
Retailer 15
-
$10,956 AUD
$7,696 USD
View
Most Expensive
B
Do Amore Diamonds
27-009E0F80F · Oct 31
$13,126 AUD
$9,220 USD
View
15 more retailers have this diamond
Prices start from $1,909 AUDSave up to $11,217 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
5.09ct Marquise
$1,909 AUD