Marquise|Lab Grown|IGI

1.05ct D VS2 Marquise Lab Grown Diamond

VG • D/VS2 • IGI LG831690520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831690520

Diamond specifications and retailer prices

From €196 EUR
$219 USD
As of October 30, 2026
Save €940 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,136 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG831690520 or 831690520. Listed at 15 retailers as of October 30, 2026, with prices from €196 to €1,136, a €940 spread on the same certified stone. Helzberg Diamonds lists it at €1,136. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831690520
Dimensions10.09 × 5.40 × 3.38 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.09 mm5.40 mm1.05 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831690520
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,136 EUR|Low: €196 EUR|High: €1,136 EUR|Avg: €522 EUR
Helzberg Diamonds
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
November 1, 2026
Retailer 15€196 EUR
Retailer 6€219 EUR
Retailer 5€243 EUR
Retailer 8€290 EUR
Retailer 4€329 EUR
Retailer 14€415 EUR
Retailer 9€451 EUR
Retailer 12€454 EUR
Retailer 7€655 EUR
Retailer 13€779 EUR
Retailer 10€781 EUR
Retailer 11€783 EUR
Retailer 3€832 EUR
Retailer 2€973 EUR
Helzberg Diamonds€1,136 EUR

4 data points across 15 retailers

15 retailers€196 EUR to €1,136 EUR

A
Cheapest Retailer
-
€196 EUR
$219 USD
A
Retailer 2
-
€219 EUR
$245 USD
View
Final sale: no returns
A
Retailer 3
-
€243 EUR
$271 USD
View
A
Retailer 4
-
€290 EUR
£255 GBP
View
A
Retailer 5
-
€329 EUR
$368 USD
View
B+
Retailer 6
-
€415 EUR
$464 USD
View
B+
Retailer 7
-
€451 EUR
£397 GBP
View
B+
Retailer 8
-
€454 EUR
$507 USD
View
B
Retailer 9
-
€655 EUR
SGD 989 SGD
View
B
Retailer 10
-
€779 EUR
$870 USD
View
B
Retailer 11
-
€781 EUR
$872 USD
View
B
Retailer 12
-
€783 EUR
$875 USD
View
B
Retailer 13
-
€832 EUR
$930 USD
View
B
Retailer 14
-
€973 EUR
£856 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPGLIG · Nov 1
€1,136 EUR
$1,269 USD
View
14 more retailers have this diamond
Prices start from €196 EURSave up to €940 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
1.05ct Marquise
€196 EUR