CaratHunter
Plans
Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619625

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619625

Diamond specifications and retailer prices

From $449 NZD
$253 USD
As of November 2, 2026
Save $2,443 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,892 NZD at Brilliant Earth · As of October 31, 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 LG811619625 or 811619625. Listed at 24 retailers as of October 31, 2026, with prices from $449 to $2,892, a $2,443 spread on the same certified stone. Brilliant Earth lists it at $2,892. 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 angle32.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619625
Dimensions10.27 × 5.42 × 3.24 mm
L/W Ratio1.89
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
10.27 mm5.42 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619625
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

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 2
Current: $2,892 NZD|Low: $431 NZD|High: $4,436 NZD|Avg: $1,357 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 2, 2026
Retailer 6$449 NZD
Retailer 3$520 NZD
Retailer 4$555 NZD
Retailer 5$555 NZD
Retailer 12$572 NZD
Retailer 10$749 NZD
Retailer 17$754 NZD
Retailer 11$960 NZD
Retailer 15$1,012 NZD
Retailer 2$1,051 NZD
Retailer 13$1,070 NZD
Retailer 16$1,353 NZD
Retailer 8$1,407 NZD
Retailer 7$1,787 NZD
Retailer 9$2,163 NZD
Retailer 18$2,231 NZD
Retailer 14$2,563 NZD
Brilliant Earth$2,892 NZD

32 data points across 18 retailers

24 retailers$449 NZD to $2,892 NZD

A
Cheapest Retailer
-
$449 NZD
$253 USD
A
Retailer 2
-
$502 NZD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$520 NZD
$293 USD
View
Retailer 4
-
$555 NZD
$313 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$555 NZD
$313 USD
View
A
Retailer 6
-
$572 NZD
£254 GBP
View
A
Retailer 7
-
$749 NZD
$422 USD
View
A
Retailer 8
-
$754 NZD
$425 USD
View
A
Retailer 9
-
$960 NZD
ZAR 8,741 ZAR
View
A
Retailer 10
-
$990 NZD
$558 USD
View
A
Retailer 11
-
$1,012 NZD
€543 EUR
View
A
Retailer 12
-
$1,040 NZD
$586 USD
View
A
Retailer 13
-
$1,051 NZD
£466 GBP
View
A
Retailer 14
-
$1,070 NZD
A$928 AUD
View
B+
Retailer 15
-
$1,353 NZD
A$1,173 AUD
View
B+
Retailer 16
-
$1,407 NZD
$793 USD
View
B+
Retailer 17
-
$1,495 NZD
SGD 1,139 SGD
View
B+
Retailer 18
-
$1,787 NZD
$1,007 USD
View
B
Retailer 19
-
$1,879 NZD
$1,059 USD
View
B
Retailer 20
-
$2,163 NZD
£960 GBP
View
B+
Retailer 21
-
$2,231 NZD
£990 GBP
View
B
Retailer 22
-
$2,416 NZD
$1,362 USD
View
B
Retailer 23
-
$2,563 NZD
A$2,222 AUD
View
Most Expensive
B
Brilliant Earth
20879646A · Oct 31
$2,892 NZD
$1,630 USD
View
23 more retailers have this diamond
Prices start from $449 NZDSave up to $2,443 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
$449 NZD