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Marquise|Lab Grown|IGI

1.61ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG837693689

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837693689

Diamond specifications and retailer prices

From $999 USD
As of October 29, 2026
Save $1,669 USD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,668 USD at With Clarity · As of October 28, 2026
View at With Clarity

About this 1.61ct lab-grown marquise diamond

This 1.61ct 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 LG837693689 or 837693689. Listed at 8 retailers as of October 28, 2026, with prices from $999 to $2,668, a $1,669 spread on the same certified stone. With Clarity lists it at $2,668. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837693689
Dimensions11.52 × 6.30 × 3.90 mm
L/W Ratio1.83
Girdle conditionFaceted
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
11.52 mm6.30 mm1.61 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837693689
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
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: Oct 29
Current: $1,201 USD|Low: $999 USD|High: $2,668 USD|Avg: $1,777 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 29, 2026
Retailer 6$999 USD
Retailer 1$1,201 USD
Retailer 2$1,226 USD
Retailer 5$1,258 USD
Retailer 3$1,290 USD
Retailer 4$2,500 USD
Retailer 7$2,592 USD
With Clarity$2,668 USD

8 data points across 8 retailers

8 retailers$999 USD to $2,668 USD

A
Cheapest Retailer
-
$999 USD
A
Retailer 2
-
$1,201 USD
£945 GBP
View
A
Retailer 3
-
$1,226 USD
View
A
Retailer 4
-
$1,258 USD
View
A
Retailer 5
-
$1,290 USD
€1,229 EUR
View
B+
Retailer 6
-
$2,500 USD
View
B+
Retailer 7
-
$2,592 USD
View
Most Expensive
B
With Clarity
837693689 · Oct 28
$2,668 USD
View
7 more retailers have this diamond
Prices start from $999 USDSave up to $1,669 USD

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
1.61ct Marquise
$999 USD