Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851605435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605435

Diamond specifications and retailer prices

From €227 EUR
$254 USD
As of October 30, 2026
Save €1,478 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,705 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851605435 or 851605435. Listed at 19 retailers as of October 28, 2026, with prices from €227 to €1,705, a €1,478 spread on the same certified stone. Queensmith lists it at €1,705. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605435
Dimensions11.37 × 5.72 × 3.55 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.72 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605435
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

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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: €1,705 EUR|Low: €227 EUR|High: €1,705 EUR|Avg: €654 EUR
Queensmith
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
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Retailer 17
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Retailer 19
October 31, 2026
Retailer 10€227 EUR
Retailer 3€254 EUR
Retailer 5€264 EUR
Retailer 16€282 EUR
Retailer 15€378 EUR
Retailer 4€380 EUR
Retailer 13€380 EUR
Retailer 8€485 EUR
Retailer 9€486 EUR
Retailer 12€538 EUR
Retailer 17€577 EUR
Retailer 7€687 EUR
Retailer 18€781 EUR
Retailer 14€866 EUR
Retailer 19€907 EUR
Retailer 2€931 EUR
Retailer 11€953 EUR
Retailer 6€1,223 EUR
Queensmith€1,705 EUR

6 data points across 19 retailers

19 retailers€227 EUR to €1,705 EUR

A
Cheapest Retailer
-
€227 EUR
$254 USD
A
Retailer 2
-
€254 EUR
$284 USD
View
Final sale: no returns
A
Retailer 3
-
€264 EUR
$295 USD
View
A
Retailer 4
-
€282 EUR
$315 USD
View
A
Retailer 5
-
€378 EUR
£332 GBP
View
A
Retailer 6
-
€380 EUR
$425 USD
View
A
Retailer 7
-
€380 EUR
$425 USD
View
B+
Retailer 8
-
€485 EUR
ZAR 8,749 ZAR
View
B+
Retailer 9
-
€486 EUR
$543 USD
View
B+
Retailer 10
-
€538 EUR
£473 GBP
View
B+
Retailer 11
-
€577 EUR
$645 USD
View
B+
Retailer 12
-
€687 EUR
A$1,180 AUD
View
B
Retailer 13
-
€781 EUR
A$1,342 AUD
View
B
Retailer 14
-
€866 EUR
$968 USD
View
B
Retailer 15
-
€907 EUR
$1,013 USD
View
B
Retailer 16
-
€931 EUR
$1,040 USD
View
B
Retailer 17
-
€953 EUR
$1,065 USD
View
B
Retailer 18
-
€1,223 EUR
$1,366 USD
View
Most Expensive
B
Queensmith
LG851605435 · Oct 28
€1,705 EUR
£1,500 GBP
View
18 more retailers have this diamond
Prices start from €227 EURSave up to €1,478 EUR

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
1.30ct Marquise
€227 EUR