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Marquise|Lab Grown|IGI

1.71ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG806630081

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630081

Diamond specifications and retailer prices

From $704 SGD
$549 USD
As of October 29, 2026
Save $5,077 SGD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,780 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806630081 or 806630081. Listed at 17 retailers as of October 28, 2026, with prices from $704 to $5,780, a $5,077 spread on the same certified stone. Brilliant Earth lists it at $5,780. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630081
Dimensions12.75 × 6.21 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm6.21 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630081
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
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 29
Current: $1,212 SGD|Low: $704 SGD|High: $3,430 SGD|Avg: $1,776 SGD|-3.9%
Retailer 1
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
October 30, 2026
Retailer 15$704 SGD
Retailer 14$955 SGD
Retailer 5$1,192 SGD
Retailer 1$1,212 SGD
Retailer 9$1,295 SGD
Retailer 4$1,345 SGD
Retailer 13$1,355 SGD
Retailer 11$1,711 SGD
Retailer 8$1,814 SGD
Retailer 6$2,116 SGD
Retailer 2$2,467 SGD
Retailer 12$2,539 SGD
Retailer 10$2,549 SGD
Retailer 3$2,730 SGD
Retailer 7$3,321 SGD

20 data points across 15 retailers

17 retailers$704 SGD to $5,780 SGD

A
Cheapest Retailer
-
$704 SGD
$549 USD
Final sale: no returns
A
Retailer 2
-
$955 SGD
$745 USD
View
A
Retailer 3
-
$1,192 SGD
$930 USD
View
A
Retailer 4
-
$1,212 SGD
$946 USD
View
A
Retailer 5
-
$1,295 SGD
£795 GBP
View
A
Retailer 6
-
$1,345 SGD
ZAR 16,959 ZAR
View
A
Retailer 7
-
$1,355 SGD
€1,007 EUR
View
A
Retailer 8
-
$1,711 SGD
$1,335 USD
View
A
Retailer 9
-
$1,814 SGD
A$2,177 AUD
View
A
Retailer 10
-
$2,116 SGD
$1,651 USD
View
B+
Retailer 11
-
$2,467 SGD
View
B+
Retailer 12
-
$2,539 SGD
$1,981 USD
View
B+
Retailer 13
-
$2,549 SGD
$1,989 USD
View
B+
Retailer 14
-
$2,730 SGD
$2,130 USD
View
Retailer 15
-
$3,321 SGD
£2,040 GBP
View
Price last confirmed 9 days ago
Retailer 16
-
$3,675 SGD
A$4,411 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
20219477A · Oct 28
$5,780 SGD
$4,510 USD
View
16 more retailers have this diamond
Prices start from $704 SGDSave up to $5,077 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
1.71ct Marquise
$704 SGD