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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG696587936

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG696587936

Diamond specifications and retailer prices

From $2,217 AUD
$1,557 USD
As of October 30, 2026
Save $13,030 AUD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $16,998 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 LG696587936 or 696587936. Listed at 24 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 angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696587936
Dimensions18.43 × 8.96 × 5.45 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
18.43 mm8.96 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696587936
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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: $5,750 AUD|Low: $2,127 AUD|High: $15,247 AUD|Avg: $5,885 AUD|-0.1%
Retailer 1
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 3$2,127 AUD
Retailer 5$2,481 AUD
Retailer 2$2,571 AUD
Retailer 19$2,571 AUD
Retailer 18$2,812 AUD
Retailer 7$3,015 AUD
Retailer 6$3,615 AUD
Retailer 12$4,023 AUD
Retailer 17$4,546 AUD
Retailer 1$5,750 AUD
Retailer 14$5,765 AUD
Retailer 10$5,880 AUD
Retailer 4$6,927 AUD
Retailer 9$7,412 AUD
Retailer 13$7,604 AUD
Retailer 16$8,050 AUD
Retailer 15$8,147 AUD
Retailer 11$9,970 AUD
Retailer 8$15,247 AUD

42 data points across 19 retailers

24 retailers$2,217 AUD to $15,247 AUD

A
Cheapest Retailer
-
$2,217 AUD
$1,557 USD
Retailer 2
-
$2,412 AUD
$1,694 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$2,481 AUD
$1,743 USD
View
Final sale: no returns
Retailer 4
-
$2,571 AUD
$1,806 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$2,571 AUD
$1,806 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$2,571 AUD
$1,806 USD
View
A
Retailer 7
-
$2,812 AUD
$1,975 USD
View
B+
Retailer 8
-
$3,015 AUD
$2,118 USD
View
B+
Retailer 9
-
$3,615 AUD
$2,539 USD
View
B+
Retailer 10
-
$4,023 AUD
£2,225 GBP
View
B+
Retailer 11
-
$4,546 AUD
$3,193 USD
View
Retailer 12
-
$5,319 AUD
$3,736 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$5,319 AUD
$3,736 USD
View
B
Retailer 14
-
$5,750 AUD
View
B+
Retailer 15
-
$5,765 AUD
ZAR 65,424 ZAR
View
B
Retailer 16
-
$5,880 AUD
£3,252 GBP
View
B
Retailer 17
-
$6,927 AUD
$4,866 USD
View
B
Retailer 18
-
$7,412 AUD
$5,207 USD
View
B
Retailer 19
-
$7,604 AUD
View
B
Retailer 20
-
$8,050 AUD
$5,655 USD
View
B
Retailer 21
-
$8,147 AUD
£4,506 GBP
View
B
Retailer 22
-
$9,970 AUD
$7,004 USD
View
B
Retailer 23
-
$15,247 AUD
$10,710 USD
View
Most Expensive
Brilliant Earth
22410103A · Oct 31
$16,998 AUD
$11,940 USD
View
Price under review
23 more retailers have this diamond
Prices start from $2,217 AUDSave up to $13,030 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
$2,217 AUD