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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619730

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619730

Diamond specifications and retailer prices

From $671 SGD
$525 USD
As of October 30, 2026
Save $2,935 SGD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,606 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG811619730 or 811619730. Listed at 23 retailers as of October 30, 2026, with prices from $671 to $3,606, a $2,935 spread on the same certified stone. Brilliant Earth lists it at $3,606. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619730
Dimensions10.56 × 5.38 × 3.27 mm
L/W Ratio1.96
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
10.56 mm5.38 mm1.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619730
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.8%

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: Oct 30
Current: $3,606 SGD|Low: $576 SGD|High: $3,606 SGD|Avg: $1,360 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
November 1, 2026
Retailer 3$600 SGD
Retailer 4$744 SGD
Retailer 5$744 SGD
Retailer 2$766 SGD
Retailer 12$876 SGD
Retailer 13$998 SGD
Retailer 8$1,132 SGD
Retailer 10$1,137 SGD
Retailer 6$1,233 SGD
Retailer 11$1,278 SGD
Retailer 7$1,999 SGD
Retailer 9$2,747 SGD
Brilliant Earth$3,606 SGD

35 data points across 13 retailers

23 retailers$671 SGD to $3,606 SGD

Retailer 1
-
$600 SGD
$469 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$671 SGD
$525 USD
View
Final sale: no returns
Retailer 3
-
$671 SGD
$525 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$744 SGD
$582 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$744 SGD
$582 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$766 SGD
£472 GBP
View
B+
Retailer 7
-
$871 SGD
$681 USD
View
B+
Retailer 8
-
$876 SGD
$685 USD
View
B+
Retailer 9
-
$998 SGD
$780 USD
View
B+
Retailer 10
-
$1,021 SGD
$798 USD
View
B+
Retailer 11
-
$1,132 SGD
€843 EUR
View
B+
Retailer 12
-
$1,137 SGD
A$1,368 AUD
View
B+
Retailer 13
-
$1,233 SGD
£759 GBP
View
B+
Retailer 14
-
$1,278 SGD
ZAR 16,147 ZAR
View
B
Retailer 15
-
$1,728 SGD
$1,351 USD
View
B
Retailer 16
-
$1,965 SGD
View
B
Retailer 17
-
$1,999 SGD
$1,563 USD
View
B
Retailer 18
-
$2,163 SGD
£1,332 GBP
View
Retailer 19
-
$2,392 SGD
$1,870 USD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$2,429 SGD
$1,899 USD
View
B
Retailer 21
-
$2,624 SGD
$2,052 USD
View
B
Retailer 22
-
$2,747 SGD
£1,691 GBP
View
Most Expensive
B
Brilliant Earth
20986311A · Oct 31
$3,606 SGD
$2,820 USD
View
22 more retailers have this diamond
Prices start from $671 SGDSave up to $2,935 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
1.05ct Marquise
$671 SGD