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Marquise|Lab Grown|IGI

1.03ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG818677644

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677644

Diamond specifications and retailer prices

From $528 NZD
As of November 5, 2026
Save $1,713 NZD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,241 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677644 or 818677644. Listed at 21 retailers as of November 4, 2026, with prices from $528 to $2,241, a $1,713 spread on the same certified stone. Brilliant Earth lists it at $2,241. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677644
Dimensions9.67 × 5.46 × 3.27 mm
L/W Ratio1.77
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
9.67 mm5.46 mm1.03 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677644
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 59.9%

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 5
Current: $2,241 NZD|Low: $402 NZD|High: $3,149 NZD|Avg: $1,268 NZD|-28.8%
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
November 5, 2026
Retailer 7$402 NZD
Retailer 5$527 NZD
Retailer 12$528 NZD
Retailer 4$868 NZD
Retailer 10$893 NZD
Retailer 14$907 NZD
Retailer 2$991 NZD
Retailer 3$1,026 NZD
Retailer 6$1,085 NZD
Retailer 13$1,295 NZD
Retailer 9$1,334 NZD
Retailer 8$1,699 NZD
Retailer 11$1,790 NZD
Retailer 15$2,106 NZD
Brilliant Earth$2,241 NZD

45 data points across 15 retailers

21 retailers$528 NZD to $2,241 NZD

Retailer 1
-
$402 NZD
Price last confirmed 35 days ago
Retailer 2
-
$416 NZD
View
Price last confirmed 29 days ago
Retailer 3
-
$486 NZD
View
Price last confirmed 38 days ago
Retailer 4
-
$512 NZD
View
Price last confirmed 39 days ago
Retailer 5
-
$518 NZD
View
Price last confirmed 34 days ago
Retailer 6
-
$527 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$528 NZD
View
Retailer 8
-
$868 NZD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$893 NZD
View
A
Retailer 10
-
$907 NZD
View
B+
Retailer 11
-
$991 NZD
View
B+
Retailer 12
-
$1,026 NZD
View
B+
Retailer 13
-
$1,085 NZD
View
B+
Retailer 14
-
$1,295 NZD
View
B+
Retailer 15
-
$1,334 NZD
View
Retailer 16
-
$1,669 NZD
View
Price last confirmed 37 days ago
Retailer 17
-
$1,692 NZD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$1,699 NZD
View
B
Retailer 19
-
$1,790 NZD
View
B
Retailer 20
-
$2,106 NZD
View
Most Expensive
B
Brilliant Earth
20947976A · Nov 4
$2,241 NZD
$1,260 USD
View
20 more retailers have this diamond
Prices start from $528 NZDSave up to $1,713 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
$528 NZD