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 $219 USD
As of October 30, 2026
Save $1,050 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,269 USD 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 $219 to $1,269, a $1,050 spread on the same certified stone. Helzberg Diamonds lists it at $1,269. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,269 USD|Low: $219 USD|High: $1,269 USD|Avg: $583 USD
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$219 USD
Retailer 6$245 USD
Retailer 5$271 USD
Retailer 8$324 USD
Retailer 4$368 USD
Retailer 14$464 USD
Retailer 9$504 USD
Retailer 12$507 USD
Retailer 7$732 USD
Retailer 13$870 USD
Retailer 10$872 USD
Retailer 11$875 USD
Retailer 3$930 USD
Retailer 2$1,087 USD
Helzberg Diamonds$1,269 USD

4 data points across 15 retailers

15 retailers$219 USD to $1,269 USD

A
Cheapest Retailer
-
$219 USD
A
Retailer 2
-
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$271 USD
View
A
Retailer 4
-
$324 USD
£255 GBP
View
A
Retailer 5
-
$368 USD
View
B+
Retailer 6
-
$464 USD
View
B+
Retailer 7
-
$504 USD
£397 GBP
View
B+
Retailer 8
-
$507 USD
View
B
Retailer 9
-
$732 USD
SGD 989 SGD
View
B
Retailer 10
-
$870 USD
View
B
Retailer 11
-
$872 USD
View
B
Retailer 12
-
$875 USD
View
B
Retailer 13
-
$930 USD
View
B
Retailer 14
-
$1,087 USD
£856 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPGLIG · Nov 1
$1,269 USD
View
14 more retailers have this diamond
Prices start from $219 USDSave up to $1,050 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
1.05ct Marquise
$219 USD