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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG790630196

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790630196

Diamond specifications and retailer prices

From $813 SGD
$636 USD
As of October 31, 2026
Save $3,828 SGD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,641 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790630196 or 790630196. Listed at 18 retailers as of October 30, 2026, with prices from $813 to $4,641, a $3,828 spread on the same certified stone. Brilliant Earth lists it at $4,641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790630196
Dimensions12.02 × 5.95 × 3.71 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm5.95 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790630196
Side View
Table 58.0%Crown 33.8°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,641 SGD|Low: $813 SGD|High: $4,641 SGD|Avg: $2,060 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
October 31, 2026
Retailer 11$813 SGD
Retailer 5$1,074 SGD
Retailer 17$1,214 SGD
Retailer 15$1,277 SGD
Retailer 12$1,406 SGD
Retailer 2$1,501 SGD
Retailer 4$1,561 SGD
Retailer 7$1,561 SGD
Retailer 16$2,107 SGD
Retailer 14$2,245 SGD
Retailer 9$2,650 SGD
Retailer 6$2,750 SGD
Retailer 13$2,848 SGD
Retailer 10$2,919 SGD
Retailer 3$2,986 SGD
Retailer 8$3,965 SGD
Brilliant Earth$4,641 SGD

18 data points across 17 retailers

18 retailers$813 SGD to $4,641 SGD

A+
Cheapest Retailer
-
$813 SGD
$636 USD
Final sale: no returns
A
Retailer 2
-
$1,074 SGD
$840 USD
View
A
Retailer 3
-
$1,214 SGD
$950 USD
View
A
Retailer 4
-
$1,277 SGD
$999 USD
View
A
Retailer 5
-
$1,406 SGD
£866 GBP
View
A
Retailer 6
-
$1,501 SGD
$1,174 USD
View
A
Retailer 7
-
$1,561 SGD
€1,163 EUR
View
A
Retailer 8
-
$1,561 SGD
ZAR 19,729 ZAR
View
A
Retailer 9
-
$2,107 SGD
A$2,536 AUD
View
B+
Retailer 10
-
$2,245 SGD
$1,756 USD
View
B+
Retailer 11
-
$2,650 SGD
£1,632 GBP
View
B+
Retailer 12
-
$2,750 SGD
$2,151 USD
View
B+
Retailer 13
-
$2,848 SGD
View
B+
Retailer 14
-
$2,919 SGD
$2,284 USD
View
B+
Retailer 15
-
$2,986 SGD
$2,336 USD
View
B+
Retailer 16
-
$3,965 SGD
£2,442 GBP
View
Retailer 17
-
$4,561 SGD
A$5,489 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
19055469A · Oct 30
$4,641 SGD
$3,630 USD
View
17 more retailers have this diamond
Prices start from $813 SGDSave up to $3,828 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+
1.57ct Marquise
$813 SGD