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Marquise|Lab Grown|IGI

1.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG811619574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619574

Diamond specifications and retailer prices

From $659 SGD
$515 USD
As of November 1, 2026
Save $2,871 SGD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,530 SGD at Brilliant Earth · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619574 or 811619574. Listed at 21 retailers as of October 31, 2026, with prices from $659 to $3,530, a $2,871 spread on the same certified stone. Brilliant Earth lists it at $3,530. 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 angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619574
Dimensions10.61 × 5.34 × 3.28 mm
L/W Ratio1.99
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
10.61 mm5.34 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619574
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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 1
Current: $3,530 SGD|Low: $565 SGD|High: $3,530 SGD|Avg: $1,387 SGD
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
November 1, 2026
Retailer 15$590 SGD
Retailer 7$659 SGD
Retailer 4$730 SGD
Retailer 16$730 SGD
Retailer 13$844 SGD
Retailer 3$982 SGD
Retailer 6$1,008 SGD
Retailer 10$1,108 SGD
Retailer 11$1,129 SGD
Retailer 9$1,211 SGD
Retailer 12$1,256 SGD
Retailer 14$1,696 SGD
Retailer 5$1,933 SGD
Retailer 8$2,124 SGD
Retailer 2$2,685 SGD
Brilliant Earth$3,530 SGD

44 data points across 16 retailers

21 retailers$659 SGD to $3,530 SGD

Retailer 1
-
$590 SGD
$461 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$659 SGD
$515 USD
View
Final sale: no returns
Retailer 3
-
$660 SGD
$516 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$730 SGD
$571 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$730 SGD
$571 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
$842 SGD
$658 USD
View
B+
Retailer 7
-
$844 SGD
$660 USD
View
B+
Retailer 8
-
$982 SGD
$768 USD
View
B+
Retailer 9
-
$1,008 SGD
$788 USD
View
B+
Retailer 10
-
$1,108 SGD
€825 EUR
View
B+
Retailer 11
-
$1,129 SGD
A$1,358 AUD
View
B+
Retailer 12
-
$1,211 SGD
£745 GBP
View
B+
Retailer 13
-
$1,256 SGD
ZAR 15,865 ZAR
View
B
Retailer 14
-
$1,696 SGD
$1,326 USD
View
B
Retailer 15
-
$1,933 SGD
View
B
Retailer 16
-
$2,124 SGD
£1,308 GBP
View
Retailer 17
-
$2,349 SGD
$1,837 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$2,389 SGD
$1,868 USD
View
B
Retailer 19
-
$2,591 SGD
$2,026 USD
View
B
Retailer 20
-
$2,685 SGD
£1,653 GBP
View
Most Expensive
B
Brilliant Earth
20734950A · Oct 31
$3,530 SGD
$2,760 USD
View
20 more retailers have this diamond
Prices start from $659 SGDSave up to $2,871 SGD

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
$659 SGD