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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG625439413

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625439413

Diamond specifications and retailer prices

From $566 NZD
As of November 5, 2026
Save $3,935 NZD (87%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $4,501 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625439413 or 625439413. Listed at 28 retailers as of November 4, 2026, with prices from $566 to $4,501, a $3,935 spread on the same certified stone. Brilliant Earth lists it at $4,501. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625439413
Dimensions10.69 × 5.40 × 3.27 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
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
10.69 mm5.40 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625439413
Side View
Table 60.0%Crown 34.2°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.6%

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 5
Current: $4,501 NZD|Low: $505 NZD|High: $4,501 NZD|Avg: $1,737 NZD
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
November 5, 2026
Retailer 5$505 NZD
Retailer 6$710 NZD
Retailer 3$836 NZD
Retailer 8$907 NZD
Retailer 10$1,190 NZD
Retailer 2$1,219 NZD
Retailer 7$1,699 NZD
Retailer 4$1,923 NZD
Retailer 9$2,222 NZD
Retailer 13$2,250 NZD
Retailer 12$2,683 NZD
Retailer 11$2,770 NZD
Brilliant Earth$4,501 NZD

33 data points across 13 retailers

28 retailers$566 NZD to $4,501 NZD

Retailer 1
-
$505 NZD
Price last confirmed 19 days ago
A
Retailer 2
-
$566 NZD
View
Final sale: no returns
Retailer 3
-
$585 NZD
View
Price last confirmed 21 days ago
Retailer 4
-
$626 NZD
View
Price last confirmed 33 days ago
Retailer 5
-
$626 NZD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$710 NZD
View
A
Retailer 7
-
$836 NZD
View
A
Retailer 8
-
$849 NZD
View
A
Retailer 9
-
$907 NZD
View
B+
Retailer 10
-
$1,190 NZD
View
B+
Retailer 11
-
$1,190 NZD
View
B+
Retailer 12
-
$1,219 NZD
View
B+
Retailer 13
-
$1,478 NZD
View
B+
Retailer 14
-
$1,699 NZD
View
B+
Retailer 15
-
$1,923 NZD
View
B
Retailer 16
-
$2,222 NZD
View
Retailer 17
-
$2,222 NZD
View
Price last confirmed 20 days ago
Retailer 18
-
$2,250 NZD
View
Price last confirmed 8 days ago
Retailer 19
-
$2,295 NZD
View
Price last confirmed 8 days ago
Retailer 20
-
$2,295 NZD
View
Price last confirmed 8 days ago
Retailer 21
-
$2,295 NZD
View
Price last confirmed 8 days ago
B
Retailer 22
-
$2,508 NZD
View
B
Retailer 23
-
$2,510 NZD
View
B
Retailer 24
-
$2,592 NZD
View
B
Retailer 25
-
$2,683 NZD
View
B
Retailer 26
-
$2,770 NZD
View
B
Retailer 27
-
$4,483 NZD
View
Most Expensive
B
Brilliant Earth
18396597Y · Nov 4
$4,501 NZD
$2,530 USD
View
27 more retailers have this diamond
Prices start from $566 NZDSave up to $3,935 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
$566 NZD