Marquise|Lab Grown|IGI

1.88ct E FL Marquise Lab Grown Diamond

VG • E/FL • IGI LG845633123

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845633123

Diamond specifications and retailer prices

From $1,064 USD
As of October 30, 2026
Save $3,649 USD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,713 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.88ct lab-grown marquise diamond

This 1.88ct 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 very-good cut grade and certified by IGI LG845633123 or 845633123. Listed at 8 retailers as of October 30, 2026, with prices from $1,064 to $4,713, a $3,649 spread on the same certified stone. Helzberg Diamonds lists it at $4,713. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.88
Carat
E
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845633123
Dimensions12.72 × 6.60 × 3.92 mm
L/W Ratio1.93
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
12.72 mm6.60 mm1.88 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845633123
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,713 USD|Low: $1,064 USD|High: $4,713 USD|Avg: $3,006 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$1,064 USD
Retailer 3$1,275 USD
Retailer 2$1,699 USD
Retailer 6$3,265 USD
Retailer 7$3,301 USD
Retailer 8$3,699 USD
Retailer 4$3,758 USD
Helzberg Diamonds$4,713 USD

4 data points across 8 retailers

8 retailers$1,064 USD to $4,713 USD

A
Cheapest Retailer
-
$1,064 USD
Final sale: no returns
A
Retailer 2
-
$1,275 USD
View
A
Retailer 3
-
$1,699 USD
£1,338 GBP
View
B
Retailer 4
-
$3,265 USD
View
B
Retailer 5
-
$3,301 USD
View
B
Retailer 6
-
$3,699 USD
SGD 4,998 SGD
View
B
Retailer 7
-
$3,758 USD
£2,959 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKLMJJHIJ · Oct 30
$4,713 USD
View
7 more retailers have this diamond
Prices start from $1,064 USDSave up to $3,649 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
1.88ct Marquise
$1,064 USD