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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 $389 NZD
As of November 4, 2026
Save $1,863 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,251 NZD at Helzberg Diamonds · As of November 4, 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 16 retailers as of November 4, 2026, with prices from $389 to $2,251, a $1,863 spread on the same certified stone. Helzberg Diamonds lists it at $2,251. 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
Colour
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

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: Nov 4
Current: $2,251 NZD|Low: $389 NZD|High: $2,251 NZD|Avg: $1,050 NZD
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
Retailer 16
November 5, 2026
Retailer 3$389 NZD
Retailer 7$435 NZD
Retailer 12$451 NZD
Retailer 6$481 NZD
Retailer 10$573 NZD
Retailer 5$653 NZD
Retailer 16$823 NZD
Retailer 2$883 NZD
Retailer 14$899 NZD
Retailer 11$1,265 NZD
Retailer 8$1,297 NZD
Retailer 15$1,543 NZD
Retailer 13$1,547 NZD
Retailer 4$1,650 NZD
Retailer 9$1,921 NZD
Helzberg Diamonds$2,251 NZD

8 data points across 16 retailers

16 retailers$389 NZD to $2,251 NZD

A
Cheapest Retailer
-
$389 NZD
A
Retailer 2
-
$435 NZD
View
Final sale: no returns
A
Retailer 3
-
$451 NZD
View
A
Retailer 4
-
$481 NZD
View
A
Retailer 5
-
$573 NZD
View
A
Retailer 6
-
$653 NZD
View
B+
Retailer 7
-
$823 NZD
View
B+
Retailer 8
-
$883 NZD
View
B+
Retailer 9
-
$899 NZD
View
B
Retailer 10
-
$1,265 NZD
View
B
Retailer 11
-
$1,297 NZD
View
B
Retailer 12
-
$1,543 NZD
View
B
Retailer 13
-
$1,547 NZD
View
B
Retailer 14
-
$1,650 NZD
View
B
Retailer 15
-
$1,921 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPGLIG · Nov 4
$2,251 NZD
$1,269 USD
View
15 more retailers have this diamond
Prices start from $389 NZDSave up to $1,863 NZD

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
$389 NZD