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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 $253 USD
As of November 2, 2026
Save $1,377 USD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,630 USD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from $253 to $1,630, a $1,377 spread on the same certified stone. Brilliant Earth lists it at $1,630. 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,630 USD|Low: $253 USD|High: $2,500 USD|Avg: $773 USD|-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 7$253 USD
Retailer 4$293 USD
Retailer 5$313 USD
Retailer 6$313 USD
Retailer 11$323 USD
Retailer 10$422 USD
Retailer 18$425 USD
Retailer 13$541 USD
Retailer 16$570 USD
Retailer 12$592 USD
Retailer 14$603 USD
Retailer 17$762 USD
Retailer 2$798 USD
Retailer 8$1,007 USD
Retailer 9$1,219 USD
Retailer 3$1,257 USD
Retailer 15$1,444 USD
Brilliant Earth$1,630 USD

31 data points across 18 retailers

24 retailers$253 USD to $1,630 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
View
Retailer 4
-
$313 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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$313 USD
View
A
Retailer 6
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$323 USD
£254 GBP
View
A
Retailer 7
-
$422 USD
View
A
Retailer 8
-
$425 USD
View
A
Retailer 9
-
$541 USD
ZAR 8,741 ZAR
View
A
Retailer 10
-
$558 USD
View
A
Retailer 11
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$570 USD
€543 EUR
View
A
Retailer 12
-
$586 USD
View
A
Retailer 13
-
$592 USD
£466 GBP
View
A
Retailer 14
-
$603 USD
A$928 AUD
View
B+
Retailer 15
-
$762 USD
A$1,173 AUD
View
B+
Retailer 16
-
$798 USD
View
B+
Retailer 17
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$843 USD
SGD 1,139 SGD
View
B+
Retailer 18
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$1,007 USD
View
B
Retailer 19
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$1,059 USD
View
B
Retailer 20
-
$1,219 USD
£960 GBP
View
B+
Retailer 21
-
$1,257 USD
£990 GBP
View
B
Retailer 22
-
$1,362 USD
View
B
Retailer 23
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$1,444 USD
A$2,222 AUD
View
Most Expensive
B
Brilliant Earth
20879646A · Nov 2
$1,630 USD
View
23 more retailers have this diamond
Prices start from $253 USDSave up to $1,377 USD

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
$253 USD