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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG706508292

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG706508292

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 November 1, 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 LG706508292 or 706508292. 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 angle34.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706508292
Dimensions18.44 × 9.00 × 5.59 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Top View
18.44 mm9.00 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706508292
Side View
Table 64.0%Crown 34.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.1%

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: $5,350 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 7$2,040 AUD
Retailer 6$2,466 AUD
Retailer 8$2,466 AUD
Retailer 10$2,587 AUD
Retailer 17$2,655 AUD
Retailer 9$2,756 AUD
Retailer 12$2,947 AUD
Retailer 19$3,454 AUD
Retailer 14$3,857 AUD
Retailer 18$4,476 AUD
Retailer 13$5,516 AUD
Retailer 16$5,530 AUD
Retailer 11$5,641 AUD
Retailer 4$6,645 AUD
Retailer 3$7,141 AUD
Retailer 15$7,522 AUD
Retailer 2$7,772 AUD
Retailer 5$14,620 AUD
Brilliant Earth$17,211 AUD

38 data points across 19 retailers

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

A
Cheapest Retailer
-
$2,125 AUD
$1,493 USD
Retailer 2
-
$2,313 AUD
$1,625 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$2,466 AUD
$1,732 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$2,587 AUD
$1,817 USD
View
Final sale: no returns
A
Retailer 5
-
$2,655 AUD
$1,865 USD
View
A
Retailer 6
-
$2,756 AUD
$1,936 USD
View
A
Retailer 7
-
$2,947 AUD
£1,630 GBP
View
B+
Retailer 8
-
$2,995 AUD
$2,104 USD
View
B+
Retailer 9
-
$3,454 AUD
$2,426 USD
View
B+
Retailer 10
-
$3,857 AUD
£2,134 GBP
View
B+
Retailer 11
-
$4,476 AUD
$3,144 USD
View
B
Retailer 12
-
$5,102 AUD
$3,584 USD
View
Retailer 13
-
$5,102 AUD
$3,584 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$5,516 AUD
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
17443438A · 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