CaratHunter
Plans
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 $1,493 USD
As of October 30, 2026
Save $8,777 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,940 USD at Brilliant Earth · As of October 30, 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 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
Color
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: $11,940 USD|Low: $1,433 USD|High: $12,310 USD|Avg: $3,744 USD|-3.0%
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
October 31, 2026
Retailer 7$1,433 USD
Retailer 6$1,732 USD
Retailer 8$1,732 USD
Retailer 10$1,817 USD
Retailer 16$1,865 USD
Retailer 9$1,936 USD
Retailer 13$2,076 USD
Retailer 19$2,426 USD
Retailer 12$2,710 USD
Retailer 18$3,144 USD
Retailer 17$3,881 USD
Retailer 14$3,885 USD
Retailer 11$3,962 USD
Retailer 4$4,668 USD
Retailer 3$5,016 USD
Retailer 2$5,284 USD
Retailer 15$5,490 USD
Retailer 5$10,270 USD
Brilliant Earth$11,940 USD

38 data points across 19 retailers

24 retailers$1,493 USD to $10,270 USD

Retailer 1
-
$1,433 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$1,493 USD
View
Retailer 3
-
$1,625 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$1,732 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,817 USD
View
Final sale: no returns
A
Retailer 6
-
$1,865 USD
View
A
Retailer 7
-
$1,936 USD
View
A
Retailer 8
-
$2,076 USD
£1,635 GBP
View
B+
Retailer 9
-
$2,104 USD
View
B+
Retailer 10
-
$2,426 USD
View
B+
Retailer 11
-
$2,710 USD
£2,134 GBP
View
B+
Retailer 12
-
$3,144 USD
View
B
Retailer 13
-
$3,584 USD
View
Retailer 14
-
$3,584 USD
View
Price last confirmed 30 days ago
Retailer 15
-
$3,881 USD
A$5,971 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$3,885 USD
ZAR 62,756 ZAR
View
B
Retailer 17
-
$3,962 USD
£3,120 GBP
View
B
Retailer 18
-
$4,668 USD
View
B
Retailer 19
-
$5,016 USD
View
B
Retailer 20
-
$5,284 USD
A$8,129 AUD
View
B
Retailer 21
-
$5,490 USD
£4,323 GBP
View
B
Retailer 22
-
$6,730 USD
View
B
Retailer 23
-
$10,270 USD
View
Most Expensive
Brilliant Earth
17443438A · Oct 30
$11,940 USD
View
Price under review
23 more retailers have this diamond
Prices start from $1,493 USDSave up to $8,777 USD

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
$1,493 USD