Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845618761

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845618761

Diamond specifications and retailer prices

From $1,403 USD
As of October 29, 2026
Save $3,471 USD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,030 USD at Brilliant Earth · As of October 28, 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 LG845618761 or 845618761. Listed at 16 retailers as of October 29, 2026, with a 247% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845618761
Dimensions17.04 × 9.04 × 5.76 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.04 mm9.04 mm5.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845618761
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.7%

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 29
Current: $12,030 USD|Low: $1,403 USD|High: $12,030 USD|Avg: $3,123 USD
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
October 29, 2026
Retailer 3$1,403 USD
Retailer 10$1,420 USD
Retailer 13$1,465 USD
Retailer 4$1,925 USD
Retailer 9$1,946 USD
Retailer 7$2,301 USD
Retailer 16$2,640 USD
Retailer 8$2,712 USD
Retailer 11$2,734 USD
Retailer 2$3,719 USD
Retailer 14$3,722 USD
Retailer 5$4,059 USD
Retailer 12$4,346 USD
Retailer 6$4,711 USD
Retailer 15$4,874 USD
Brilliant Earth$12,030 USD

9 data points across 16 retailers

16 retailers$1,403 USD to $4,874 USD

A
Cheapest Retailer
-
$1,403 USD
Final sale: no returns
A
Retailer 2
-
$1,420 USD
View
A
Retailer 3
-
$1,465 USD
£1,154 GBP
View
A
Retailer 4
-
$1,925 USD
View
A
Retailer 5
-
$1,946 USD
£1,532 GBP
View
B+
Retailer 6
-
$2,301 USD
€2,191 EUR
View
B+
Retailer 7
-
$2,640 USD
View
B+
Retailer 8
-
$2,712 USD
View
B+
Retailer 9
-
$2,734 USD
ZAR 44,166 ZAR
View
B
Retailer 10
-
$3,719 USD
£2,928 GBP
View
B+
Retailer 11
-
$3,722 USD
View
B
Retailer 12
-
$4,059 USD
View
B
Retailer 13
-
$4,346 USD
£3,422 GBP
View
B
Retailer 14
-
$4,711 USD
View
B
Retailer 15
-
$4,874 USD
View
Most Expensive
Brilliant Earth
22340237A · Oct 28
$12,030 USD
View
Price under review
15 more retailers have this diamond
Prices start from $1,403 USDSave up to $3,471 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
$1,403 USD