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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG712563747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712563747

Diamond specifications and retailer prices

From $2,125 AUD
$1,493 USD
As of October 30, 2026
Save $12,495 AUD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $17,211 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG712563747 or 712563747. Listed at 23 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712563747
Dimensions18.14 × 8.97 × 5.51 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Top View
18.14 mm8.97 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712563747
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.4%

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: $17,211 AUD|Low: $2,040 AUD|High: $17,525 AUD|Avg: $5,189 AUD|-1.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$2,125 AUD
Retailer 11$2,466 AUD
Retailer 7$2,587 AUD
Retailer 8$2,712 AUD
Retailer 4$2,756 AUD
Retailer 3$3,454 AUD
Retailer 5$3,857 AUD
Retailer 9$5,530 AUD
Retailer 12$6,645 AUD
Retailer 6$7,522 AUD
Retailer 2$7,772 AUD
Brilliant Earth$17,211 AUD

44 data points across 12 retailers

23 retailers$2,125 AUD to $14,620 AUD

Retailer 1
-
$2,125 AUD
$1,493 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$2,125 AUD
$1,493 USD
View
Retailer 3
-
$2,313 AUD
$1,625 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$2,466 AUD
$1,732 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$2,466 AUD
$1,732 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,587 AUD
$1,817 USD
View
Final sale: no returns
B+
Retailer 7
-
$2,712 AUD
$1,905 USD
View
A
Retailer 8
-
$2,756 AUD
$1,936 USD
View
B+
Retailer 9
-
$2,995 AUD
$2,104 USD
View
B+
Retailer 10
-
$3,454 AUD
$2,426 USD
View
B+
Retailer 11
-
$3,857 AUD
£2,134 GBP
View
B+
Retailer 12
-
$4,476 AUD
$3,144 USD
View
Retailer 13
-
$5,102 AUD
$3,584 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$5,102 AUD
$3,584 USD
View
B+
Retailer 15
-
$5,530 AUD
ZAR 62,756 ZAR
View
B
Retailer 16
-
$5,641 AUD
£3,120 GBP
View
B
Retailer 17
-
$6,645 AUD
$4,668 USD
View
B
Retailer 18
-
$7,141 AUD
$5,016 USD
View
B
Retailer 19
-
$7,522 AUD
View
B
Retailer 20
-
$7,772 AUD
£4,299 GBP
View
B
Retailer 21
-
$9,581 AUD
$6,730 USD
View
B
Retailer 22
-
$14,620 AUD
$10,270 USD
View
Most Expensive
Brilliant Earth
17611050A · Oct 31
$17,211 AUD
$12,090 USD
View
Price under review
22 more retailers have this diamond
Prices start from $2,125 AUDSave up to $12,495 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
$2,125 AUD