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Marquise|Lab Grown|IGI

1.70ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784645899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645899

Diamond specifications and retailer prices

From $915 SGD
$716 USD
As of October 27, 2026
Save $7,215 SGD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,131 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645899 or 784645899. Listed at 15 retailers as of October 27, 2026, with prices from $915 to $8,131, a $7,215 spread on the same certified stone. Do Amore Diamonds lists it at $8,131. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645899
Dimensions11.74 × 6.15 × 3.95 mm
L/W Ratio1.91
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
11.74 mm6.15 mm1.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645899
Side View
Table 61.0%Crown 37.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 64.2%

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 27
Current: $8,131 SGD|Low: $915 SGD|High: $10,700 SGD|Avg: $2,920 SGD|-24.0%
Do Amore Diamonds
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 29, 2026
Retailer 10$915 SGD
Retailer 15$996 SGD
Retailer 12$1,262 SGD
Retailer 9$1,297 SGD
Retailer 4$1,323 SGD
Retailer 7$1,363 SGD
Retailer 5$1,416 SGD
Retailer 11$1,723 SGD
Retailer 2$1,975 SGD
Retailer 13$2,614 SGD
Retailer 14$3,294 SGD
Retailer 3$3,375 SGD
Retailer 8$4,416 SGD
Retailer 6$6,226 SGD
Do Amore Diamonds$8,131 SGD

35 data points across 15 retailers

15 retailers$915 SGD to $8,131 SGD

A
Cheapest Retailer
-
$915 SGD
$716 USD
A
Retailer 2
-
$996 SGD
$779 USD
View
A
Retailer 3
-
$1,262 SGD
$987 USD
View
A
Retailer 4
-
$1,297 SGD
£799 GBP
View
A
Retailer 5
-
$1,323 SGD
$1,035 USD
View
A
Retailer 6
-
$1,363 SGD
$1,066 USD
View
Final sale: no returns
A
Retailer 7
-
$1,416 SGD
$1,108 USD
View
A
Retailer 8
-
$1,723 SGD
$1,348 USD
View
A
Retailer 9
-
$1,975 SGD
€1,471 EUR
View
B+
Retailer 10
-
$2,614 SGD
$2,045 USD
View
B+
Retailer 11
-
$3,294 SGD
$2,577 USD
View
B+
Retailer 12
-
$3,375 SGD
$2,640 USD
View
B
Retailer 13
-
$4,416 SGD
£2,720 GBP
View
B
Retailer 14
-
$6,226 SGD
$4,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3887A5746 · Oct 30
$8,131 SGD
$6,360 USD
View
14 more retailers have this diamond
Prices start from $915 SGDSave up to $7,215 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
1.70ct Marquise
$915 SGD