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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619694

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619694

Diamond specifications and retailer prices

From $450 NZD
As of November 4, 2026
Save $2,450 NZD (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,900 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619694 or 811619694. Listed at 25 retailers as of November 3, 2026, with prices from $450 to $2,900, a $2,450 spread on the same certified stone. Brilliant Earth lists it at $2,900. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619694
Dimensions10.43 × 5.27 × 3.30 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.43 mm5.27 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619694
Side View
Table 58.0%Crown 34.3°Girdle: THN-STKPavilion 40.5°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: Nov 4
Current: $2,900 NZD|Low: $432 NZD|High: $4,447 NZD|Avg: $1,402 NZD|-34.8%
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
Retailer 17
Retailer 18
November 5, 2026
Retailer 6$450 NZD
Retailer 3$521 NZD
Retailer 4$557 NZD
Retailer 5$557 NZD
Retailer 11$573 NZD
Retailer 8$751 NZD
Retailer 13$845 NZD
Retailer 15$962 NZD
Retailer 18$1,014 NZD
Retailer 2$1,051 NZD
Retailer 17$1,073 NZD
Retailer 14$1,364 NZD
Retailer 12$1,713 NZD
Retailer 7$1,791 NZD
Retailer 10$2,168 NZD
Retailer 16$2,234 NZD
Retailer 9$2,581 NZD
Brilliant Earth$2,900 NZD

38 data points across 18 retailers

25 retailers$450 NZD to $2,900 NZD

A
Cheapest Retailer
-
$450 NZD
A
Retailer 2
-
$503 NZD
View
Final sale: no returns
A
Retailer 3
-
$521 NZD
View
Retailer 4
-
$557 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$557 NZD
View
A
Retailer 6
-
$573 NZD
View
A
Retailer 7
-
$751 NZD
View
A
Retailer 8
-
$845 NZD
View
A
Retailer 9
-
$962 NZD
View
A
Retailer 10
-
$993 NZD
View
A
Retailer 11
-
$1,014 NZD
View
A
Retailer 12
-
$1,042 NZD
View
A
Retailer 13
-
$1,051 NZD
View
A
Retailer 14
-
$1,073 NZD
View
B+
Retailer 15
-
$1,364 NZD
View
B+
Retailer 16
-
$1,420 NZD
View
B+
Retailer 17
-
$1,498 NZD
View
B+
Retailer 18
-
$1,713 NZD
View
B+
Retailer 19
-
$1,791 NZD
View
B
Retailer 20
-
$1,882 NZD
View
B
Retailer 21
-
$2,168 NZD
View
B+
Retailer 22
-
$2,234 NZD
View
B
Retailer 23
-
$2,421 NZD
View
Retailer 24
-
$2,581 NZD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
20986856A · Nov 3
$2,900 NZD
$1,630 USD
View
24 more retailers have this diamond
Prices start from $450 NZDSave up to $2,450 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
1.03ct Marquise
$450 NZD