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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676937

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676937

Diamond specifications and retailer prices

From $322 SGD
$252 USD
As of October 30, 2026
Save $2,567 SGD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,889 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 LG800676937 or 800676937. Listed at 15 retailers as of October 30, 2026, with prices from $322 to $2,889, a $2,567 spread on the same certified stone. Brilliant Earth lists it at $2,889. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676937
Dimensions10.40 × 5.27 × 3.25 mm
L/W Ratio1.97
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
10.40 mm5.27 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676937
Side View
Table 61.0%Crown 34.8°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: $2,889 SGD|Low: $322 SGD|High: $3,669 SGD|Avg: $1,261 SGD|-21.3%
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 10$322 SGD
Retailer 3$373 SGD
Retailer 7$409 SGD
Retailer 2$453 SGD
Retailer 12$597 SGD
Retailer 5$623 SGD
Retailer 4$626 SGD
Retailer 15$667 SGD
Retailer 9$758 SGD
Retailer 6$904 SGD
Retailer 13$1,225 SGD
Retailer 16$1,415 SGD
Retailer 11$1,766 SGD
Retailer 8$2,310 SGD
Retailer 14$2,851 SGD
Brilliant Earth$2,889 SGD

36 data points across 16 retailers

15 retailers$322 SGD to $2,889 SGD

A+
Cheapest Retailer
-
$322 SGD
$252 USD
A
Retailer 2
-
$373 SGD
$292 USD
View
A
Retailer 3
-
$409 SGD
$320 USD
View
Final sale: no returns
A
Retailer 4
-
$453 SGD
£279 GBP
View
A
Retailer 5
-
$597 SGD
$467 USD
View
A
Retailer 6
-
$623 SGD
$487 USD
View
A
Retailer 7
-
$626 SGD
$490 USD
View
A
Retailer 8
-
$667 SGD
$522 USD
View
A
Retailer 9
-
$758 SGD
€565 EUR
View
B+
Retailer 10
-
$904 SGD
A$1,088 AUD
View
B+
Retailer 11
-
$1,225 SGD
$958 USD
View
B+
Retailer 12
-
$1,415 SGD
$1,107 USD
View
B+
Retailer 13
-
$1,766 SGD
£1,088 GBP
View
B
Retailer 14
-
$2,851 SGD
$2,230 USD
View
Most Expensive
B
Brilliant Earth
21014390Y · Oct 31
$2,889 SGD
$2,260 USD
View
14 more retailers have this diamond
Prices start from $322 SGDSave up to $2,567 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
$322 SGD