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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG726537706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG726537706

Diamond specifications and retailer prices

From $285 USD
As of October 27, 2026
Save $2,215 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,500 USD at Brilliant Earth · As of October 26, 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 LG726537706 or 726537706. Listed at 25 retailers as of October 26, 2026, with prices from $285 to $2,500, a $2,215 spread on the same certified stone. Brilliant Earth lists it at $2,500. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726537706
Dimensions10.45 × 5.25 × 3.29 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
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
10.45 mm5.25 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726537706
Side View
Table 58.0%Crown 32.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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: Oct 27
Current: $2,500 USD|Low: $274 USD|High: $2,500 USD|Avg: $776 USD
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
October 28, 2026
Retailer 5$285 USD
Retailer 6$331 USD
Retailer 3$354 USD
Retailer 14$354 USD
Retailer 11$366 USD
Retailer 12$480 USD
Retailer 9$595 USD
Retailer 13$601 USD
Retailer 2$608 USD
Retailer 10$621 USD
Retailer 7$649 USD
Retailer 16$870 USD
Retailer 4$1,087 USD
Retailer 17$1,138 USD
Retailer 15$1,420 USD
Retailer 8$1,459 USD
Brilliant Earth$2,500 USD

37 data points across 17 retailers

25 retailers$285 USD to $2,500 USD

A
Cheapest Retailer
-
$285 USD
Returns within 21 days
A
Retailer 2
-
$319 USD
View
Final sale: no returns
A
Retailer 3
-
$331 USD
View
A
Retailer 4
-
$354 USD
View
Returns within 30 days
A
Retailer 5
-
$354 USD
View
Returns within 30 days
A
Retailer 6
-
$366 USD
£288 GBP
View
Returns within 30 days
A
Retailer 7
-
$397 USD
HK$3,100 HKD
View
A
Retailer 8
-
$478 USD
View
Returns within 30 days
A
Retailer 9
-
$480 USD
View
Returns within 40 days
A
Retailer 10
-
$595 USD
View
Returns within 30 days
A
Retailer 11
-
$598 USD
View
Returns within 30 days
A
Retailer 12
-
$601 USD
€572 EUR
View
Returns within 100 days
A
Retailer 13
-
$608 USD
ZAR 9,824 ZAR
View
Returns within 7 days
A
Retailer 14
-
$621 USD
£489 GBP
View
Returns within 30 days
B+
Retailer 15
-
$649 USD
A$998 AUD
View
B+
Retailer 16
-
$870 USD
A$1,338 AUD
View
B+
Retailer 17
-
$906 USD
View
Returns within 30 days
B+
Retailer 18
-
$949 USD
SGD 1,283 SGD
View
Returns within 14 days
B+
Retailer 19
-
$1,087 USD
View
Returns within 30 days
B+
Retailer 20
-
$1,138 USD
View
Returns within 30 days
B
Retailer 21
-
$1,187 USD
View
Returns within 90 days
B+
Retailer 22
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$1,420 USD
£1,118 GBP
View
B
Retailer 23
-
$1,459 USD
A$2,244 AUD
View
Price last confirmed 24 days ago
Returns within 30 days
B
Retailer 24
-
$1,466 USD
View
Returns within 30 days
Most Expensive
B
Brilliant Earth
15880070A · Oct 26
$2,500 USD
View
Returns within 30 days
24 more retailers have this diamond
Prices start from $285 USDSave up to $2,215 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
$285 USD