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Marquise|Lab Grown|IGI

1.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG815697831

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815697831

Diamond specifications and retailer prices

From $294 SGD
$230 USD
As of October 30, 2026
Save $2,276 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,632 SGD at Brilliant Earth · As of September 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697831 or 815697831. Listed at 22 retailers as of October 28, 2026, with a 774% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697831
Dimensions10.05 × 5.25 × 3.39 mm
L/W Ratio1.91
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
10.05 mm5.25 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697831
Side View
Table 57.0%Crown 36.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.6%

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: $2,008 SGD|Low: $294 SGD|High: $3,517 SGD|Avg: $970 SGD|-42.9%
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
Retailer 19
Retailer 20
November 2, 2026
Retailer 6$294 SGD
Retailer 7$330 SGD
Retailer 19$341 SGD
Retailer 16$366 SGD
Retailer 18$366 SGD
Retailer 17$608 SGD
Retailer 8$619 SGD
Retailer 13$631 SGD
Retailer 3$664 SGD
Retailer 2$683 SGD
Retailer 20$739 SGD
Retailer 10$985 SGD
Retailer 12$1,175 SGD
Retailer 9$1,179 SGD
Retailer 5$1,242 SGD
Retailer 4$1,264 SGD
Retailer 11$1,423 SGD
Retailer 14$1,473 SGD
Brilliant Earth$2,008 SGD
Retailer 15$2,571 SGD

33 data points across 20 retailers

22 retailers$294 SGD to $2,571 SGD

A
Cheapest Retailer
-
$294 SGD
$230 USD
A
Retailer 2
-
$330 SGD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$341 SGD
$267 USD
View
Retailer 4
-
$366 SGD
$286 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$366 SGD
$286 USD
View
A
Retailer 6
-
$608 SGD
€453 EUR
View
A
Retailer 7
-
$619 SGD
$484 USD
View
A
Retailer 8
-
$631 SGD
ZAR 7,972 ZAR
View
A
Retailer 9
-
$664 SGD
$519 USD
View
A
Retailer 10
-
$683 SGD
£421 GBP
View
A
Retailer 11
-
$739 SGD
$578 USD
View
B+
Retailer 12
-
$985 SGD
View
Retailer 13
-
$1,083 SGD
$847 USD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$1,175 SGD
$919 USD
View
B+
Retailer 15
-
$1,179 SGD
$922 USD
View
B+
Retailer 16
-
$1,242 SGD
$971 USD
View
B+
Retailer 17
-
$1,264 SGD
$988 USD
View
B+
Retailer 18
-
$1,423 SGD
£876 GBP
View
B+
Retailer 19
-
$1,473 SGD
£907 GBP
View
B
Retailer 20
-
$2,008 SGD
$1,570 USD
View
B
Retailer 21
-
$2,571 SGD
$2,010 USD
View
Most Expensive
Brilliant Earth
20792512A · Sep 26
$3,632 SGD
$2,840 USD
View
Price last confirmed 37 days ago
21 more retailers have this diamond
Prices start from $294 SGDSave up to $2,276 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
$294 SGD