CaratHunter
Plans
Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG643452185

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG643452185

Diamond specifications and retailer prices

From $425 NZD
As of November 4, 2026
Save $2,154 NZD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,633 NZD at Novita Diamonds · As of October 8, 2026
View at Novita 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG643452185 or 643452185. Listed at 26 retailers as of November 4, 2026, with a 507% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452185
Dimensions10.71 × 5.30 × 3.31 mm
L/W Ratio2.02
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
10.71 mm5.30 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452185
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $2,633 NZD|Low: $425 NZD|High: $4,536 NZD|Avg: $1,415 NZD
Novita 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 5, 2026
Retailer 5$425 NZD
Retailer 19$475 NZD
Retailer 24$495 NZD
Retailer 4$528 NZD
Retailer 11$614 NZD
Retailer 10$747 NZD
Retailer 23$884 NZD
Retailer 18$911 NZD
Retailer 8$941 NZD
Retailer 2$989 NZD
Retailer 12$1,069 NZD
Retailer 15$1,158 NZD
Retailer 21$1,188 NZD
Retailer 13$1,293 NZD
Retailer 16$1,491 NZD
Retailer 6$1,697 NZD
Retailer 7$1,704 NZD
Retailer 14$1,790 NZD
Retailer 17$1,944 NZD
Retailer 20$2,115 NZD
Retailer 3$2,277 NZD
Retailer 9$2,346 NZD
Retailer 22$2,579 NZD
Novita Diamonds$2,633 NZD

34 data points across 24 retailers

26 retailers$425 NZD to $2,579 NZD

A+
Cheapest Retailer
-
$425 NZD
A
Retailer 2
-
$475 NZD
View
Final sale: no returns
A
Retailer 3
-
$495 NZD
View
A
Retailer 4
-
$528 NZD
View
A
Retailer 5
-
$614 NZD
View
A
Retailer 6
-
$747 NZD
View
Retailer 7
-
$884 NZD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$911 NZD
View
A
Retailer 9
-
$941 NZD
View
Retailer 10
-
$975 NZD
View
Price last confirmed 21 days ago
A
Retailer 11
-
$989 NZD
View
A
Retailer 12
-
$1,069 NZD
View
B+
Retailer 13
-
$1,158 NZD
View
B+
Retailer 14
-
$1,188 NZD
View
B+
Retailer 15
-
$1,293 NZD
View
B+
Retailer 16
-
$1,491 NZD
View
B+
Retailer 17
-
$1,697 NZD
View
B+
Retailer 18
-
$1,704 NZD
View
B+
Retailer 19
-
$1,790 NZD
View
B
Retailer 20
-
$1,944 NZD
View
B+
Retailer 21
-
$2,115 NZD
View
Retailer 22
-
$2,277 NZD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$2,346 NZD
View
Retailer 24
-
$2,361 NZD
View
Price last confirmed 88 days ago
B
Retailer 25
-
$2,579 NZD
View
Most Expensive
Novita Diamonds
cert_643452185 · Oct 8
$2,633 NZD
A$2,277 AUD
View
Price last confirmed 28 days ago
25 more retailers have this diamond
Prices start from $425 NZDSave up to $2,154 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
$425 NZD