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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG702593012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG702593012

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 21, 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 LG702593012 or 702593012. Listed at 24 retailers as of October 29, 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 angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702593012
Dimensions18.10 × 8.97 × 5.52 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Top View
18.10 mm8.97 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702593012
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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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: $3,645 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
October 30, 2026
Retailer 12$1,493 USD
Retailer 7$1,672 USD
Retailer 13$1,732 USD
Retailer 10$1,905 USD
Retailer 5$1,936 USD
Retailer 3$2,426 USD
Retailer 2$2,709 USD
Retailer 4$3,879 USD
Retailer 8$3,885 USD
Retailer 6$3,962 USD
Retailer 14$4,668 USD
Retailer 11$5,348 USD
Retailer 9$5,490 USD
Brilliant Earth$11,940 USD

37 data points across 14 retailers

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

Retailer 1
-
$1,493 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$1,493 USD
View
Retailer 3
-
$1,625 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$1,672 USD
View
Final sale: no returns
Retailer 5
-
$1,732 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$1,732 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,905 USD
View
A
Retailer 8
-
$1,936 USD
View
B+
Retailer 9
-
$2,104 USD
View
Retailer 10
-
$2,426 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$2,709 USD
£2,133 GBP
View
Retailer 12
-
$2,776 USD
£2,186 GBP
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$3,144 USD
View
Retailer 14
-
$3,584 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$3,584 USD
View
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
Retailer 20
-
$5,348 USD
A$8,228 AUD
View
Price last confirmed 22 days ago
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
17443673A · Oct 21
$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