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Marquise|Lab Grown|IGI

1.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG818671761

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818671761

Diamond specifications and retailer prices

From $515 NZD
$290 USD
As of November 1, 2026
Save $3,061 NZD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,575 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818671761 or 818671761. Listed at 19 retailers as of October 28, 2026, with prices from $515 to $3,575, a $3,061 spread on the same certified stone. Rare Carat lists it at $3,575. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671761
Dimensions10.54 × 5.28 × 3.28 mm
L/W Ratio2.00
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
10.54 mm5.28 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671761
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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 1
Current: $3,575 NZD|Low: $515 NZD|High: $3,575 NZD|Avg: $1,478 NZD
Rare Carat
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
November 1, 2026
Retailer 14$515 NZD
Retailer 6$681 NZD
Retailer 10$802 NZD
Retailer 7$807 NZD
Retailer 11$980 NZD
Retailer 13$1,043 NZD
Retailer 2$1,091 NZD
Retailer 4$1,095 NZD
Retailer 8$1,432 NZD
Retailer 5$1,511 NZD
Retailer 3$1,926 NZD
Retailer 9$2,298 NZD
Retailer 12$2,454 NZD
Rare Carat$3,575 NZD

35 data points across 14 retailers

19 retailers$515 NZD to $3,575 NZD

A+
Cheapest Retailer
-
$515 NZD
$290 USD
Final sale: no returns
Retailer 2
-
$543 NZD
$306 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$635 NZD
$358 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$672 NZD
$379 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$672 NZD
$379 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$672 NZD
$379 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$802 NZD
$452 USD
View
A
Retailer 8
-
$807 NZD
$455 USD
View
A
Retailer 9
-
$980 NZD
ZAR 8,927 ZAR
View
A
Retailer 10
-
$1,043 NZD
$588 USD
View
A
Retailer 11
-
$1,091 NZD
£484 GBP
View
Retailer 12
-
$1,095 NZD
€588 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,432 NZD
$807 USD
View
Retailer 14
-
$1,511 NZD
$852 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,926 NZD
$1,085 USD
View
Retailer 16
-
$2,161 NZD
$1,218 USD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$2,298 NZD
£1,020 GBP
View
B+
Retailer 18
-
$2,454 NZD
$1,383 USD
View
Most Expensive
B
Rare Carat
C481-4A · Oct 28
$3,575 NZD
$2,015 USD
View
18 more retailers have this diamond
Prices start from $515 NZDSave up to $3,061 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
$515 NZD