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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG838619319

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838619319

Diamond specifications and retailer prices

From $429 NZD
As of November 4, 2026
Save $2,506 NZD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,935 NZD at Brilliant Earth · As of November 4, 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 LG838619319 or 838619319. Listed at 20 retailers as of November 4, 2026, with prices from $429 to $2,935, a $2,506 spread on the same certified stone. Brilliant Earth lists it at $2,935. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619319
Dimensions10.70 × 5.23 × 3.27 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeNone
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
10.70 mm5.23 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619319
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 40.2°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: $2,935 NZD|Low: $427 NZD|High: $2,953 NZD|Avg: $1,091 NZD|+1.2%
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
Retailer 19
November 5, 2026
Retailer 13$429 NZD
Retailer 8$480 NZD
Retailer 17$498 NZD
Retailer 11$528 NZD
Retailer 19$532 NZD
Retailer 12$546 NZD
Retailer 9$729 NZD
Retailer 10$889 NZD
Retailer 5$920 NZD
Retailer 6$945 NZD
Retailer 2$998 NZD
Retailer 7$1,035 NZD
Retailer 3$1,304 NZD
Retailer 15$1,350 NZD
Retailer 14$1,711 NZD
Retailer 18$1,802 NZD
Retailer 4$2,131 NZD
Retailer 16$2,357 NZD
Brilliant Earth$2,935 NZD

23 data points across 19 retailers

20 retailers$429 NZD to $2,935 NZD

A+
Cheapest Retailer
-
$429 NZD
A
Retailer 2
-
$480 NZD
View
Final sale: no returns
A
Retailer 3
-
$498 NZD
View
Retailer 4
-
$528 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$532 NZD
View
A
Retailer 6
-
$546 NZD
View
A
Retailer 7
-
$729 NZD
View
Retailer 8
-
$889 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$920 NZD
View
A
Retailer 10
-
$945 NZD
View
A
Retailer 11
-
$998 NZD
View
A
Retailer 12
-
$1,035 NZD
View
B+
Retailer 13
-
$1,304 NZD
View
B+
Retailer 14
-
$1,350 NZD
View
B+
Retailer 15
-
$1,711 NZD
View
B+
Retailer 16
-
$1,802 NZD
View
B+
Retailer 17
-
$2,131 NZD
View
B+
Retailer 18
-
$2,357 NZD
View
Retailer 19
-
$2,581 NZD
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
21690536A · Nov 4
$2,935 NZD
$1,650 USD
View
19 more retailers have this diamond
Prices start from $429 NZDSave up to $2,506 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
$429 NZD