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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG630456349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630456349

Diamond specifications and retailer prices

From $350 SGD
$274 USD
As of October 31, 2026
Save $1,364 SGD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,224 SGD at Brilliant Earth · As of October 17, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG630456349 or 630456349. Listed at 22 retailers as of October 30, 2026, with a 389% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630456349
Dimensions10.30 × 5.29 × 3.36 mm
L/W Ratio1.95
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
10.30 mm5.29 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630456349
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

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 31
Current: $2,224 SGD|Low: $350 SGD|High: $2,224 SGD|Avg: $924 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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 12$350 SGD
Retailer 3$390 SGD
Retailer 5$442 SGD
Retailer 9$524 SGD
Retailer 15$670 SGD
Retailer 18$671 SGD
Retailer 7$685 SGD
Retailer 11$710 SGD
Retailer 2$735 SGD
Retailer 19$762 SGD
Retailer 16$951 SGD
Retailer 13$972 SGD
Retailer 10$1,046 SGD
Retailer 6$1,254 SGD
Retailer 8$1,320 SGD
Retailer 17$1,362 SGD
Retailer 14$1,572 SGD
Retailer 4$1,714 SGD
Brilliant Earth$2,224 SGD

41 data points across 19 retailers

22 retailers$350 SGD to $1,714 SGD

Retailer 1
-
$314 SGD
$246 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$350 SGD
$274 USD
View
Final sale: no returns
Retailer 3
-
$390 SGD
$305 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$390 SGD
$305 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$394 SGD
$308 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$442 SGD
HK$2,700 HKD
View
A
Retailer 7
-
$524 SGD
$410 USD
View
A
Retailer 8
-
$670 SGD
ZAR 8,468 ZAR
View
A
Retailer 9
-
$671 SGD
€500 EUR
View
A
Retailer 10
-
$685 SGD
$536 USD
View
A
Retailer 11
-
$735 SGD
£453 GBP
View
A
Retailer 12
-
$762 SGD
$596 USD
View
B+
Retailer 13
-
$951 SGD
A$1,145 AUD
View
B+
Retailer 14
-
$972 SGD
$760 USD
View
B+
Retailer 15
-
$981 SGD
$767 USD
View
B+
Retailer 16
-
$1,046 SGD
View
Retailer 17
-
$1,254 SGD
$981 USD
View
Price last confirmed 11 days ago
B+
Retailer 18
-
$1,320 SGD
$1,033 USD
View
B+
Retailer 19
-
$1,362 SGD
A$1,639 AUD
View
B+
Retailer 20
-
$1,572 SGD
£968 GBP
View
B
Retailer 21
-
$1,714 SGD
$1,341 USD
View
Most Expensive
Brilliant Earth
14010213A · Oct 17
$2,224 SGD
$1,740 USD
View
Price last confirmed 13 days ago
21 more retailers have this diamond
Prices start from $350 SGDSave up to $1,364 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
$350 SGD