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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG643452185

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG643452185

Diamond specifications and retailer prices

From $305 SGD
As of November 4, 2026
Save $1,547 SGD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,890 SGD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG643452185 or 643452185. Listed at 26 retailers as of November 4, 2026, with a 507% 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

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452185
Dimensions10.71 × 5.30 × 3.31 mm
L/W Ratio2.02
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
10.71 mm5.30 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452185
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: Nov 4
Current: $1,890 SGD|Low: $305 SGD|High: $3,257 SGD|Avg: $1,016 SGD
Novita Diamonds
Retailer 2
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Retailer 24
November 5, 2026
Retailer 5$305 SGD
Retailer 19$341 SGD
Retailer 24$355 SGD
Retailer 4$379 SGD
Retailer 11$441 SGD
Retailer 10$536 SGD
Retailer 23$635 SGD
Retailer 18$654 SGD
Retailer 8$676 SGD
Retailer 2$710 SGD
Retailer 12$768 SGD
Retailer 15$832 SGD
Retailer 21$853 SGD
Retailer 13$929 SGD
Retailer 16$1,070 SGD
Retailer 6$1,219 SGD
Retailer 7$1,224 SGD
Retailer 14$1,285 SGD
Retailer 17$1,396 SGD
Retailer 20$1,519 SGD
Retailer 3$1,635 SGD
Retailer 9$1,685 SGD
Retailer 22$1,852 SGD
Novita Diamonds$1,890 SGD

34 data points across 24 retailers

26 retailers$305 SGD to $1,852 SGD

A+
Cheapest Retailer
-
$305 SGD
A
Retailer 2
-
$341 SGD
View
Final sale: no returns
A
Retailer 3
-
$355 SGD
View
A
Retailer 4
-
$379 SGD
View
A
Retailer 5
-
$441 SGD
View
A
Retailer 6
-
$536 SGD
View
Retailer 7
-
$635 SGD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$654 SGD
View
A
Retailer 9
-
$676 SGD
View
Retailer 10
-
$700 SGD
View
Price last confirmed 21 days ago
A
Retailer 11
-
$710 SGD
View
A
Retailer 12
-
$768 SGD
View
B+
Retailer 13
-
$832 SGD
View
B+
Retailer 14
-
$853 SGD
View
B+
Retailer 15
-
$929 SGD
View
B+
Retailer 16
-
$1,070 SGD
View
B+
Retailer 17
-
$1,219 SGD
View
B+
Retailer 18
-
$1,224 SGD
View
B+
Retailer 19
-
$1,285 SGD
View
B
Retailer 20
-
$1,396 SGD
View
B+
Retailer 21
-
$1,519 SGD
View
Retailer 22
-
$1,635 SGD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$1,685 SGD
View
Retailer 24
-
$1,695 SGD
View
Price last confirmed 88 days ago
B
Retailer 25
-
$1,852 SGD
View
Most Expensive
Novita Diamonds
cert_643452185 · Oct 8
$1,890 SGD
A$2,277 AUD
View
Price last confirmed 28 days ago
25 more retailers have this diamond
Prices start from $305 SGDSave up to $1,547 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
$305 SGD