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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 $1,888 NZD
$1,064 USD
As of October 30, 2026
Save $6,474 NZD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,362 NZD 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 $1,888 to $8,362, a $6,474 spread on the same certified stone. Helzberg Diamonds lists it at $8,362. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,362 NZD|Low: $1,888 NZD|High: $8,362 NZD|Avg: $5,270 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$1,888 NZD
Retailer 3$2,262 NZD
Retailer 2$3,015 NZD
Retailer 6$5,793 NZD
Retailer 7$5,857 NZD
Retailer 8$6,562 NZD
Retailer 4$6,668 NZD
Helzberg Diamonds$8,362 NZD

5 data points across 8 retailers

8 retailers$1,888 NZD to $8,362 NZD

A
Cheapest Retailer
-
$1,888 NZD
$1,064 USD
Final sale: no returns
A
Retailer 2
-
$2,262 NZD
$1,275 USD
View
A
Retailer 3
-
$3,015 NZD
£1,338 GBP
View
B
Retailer 4
-
$5,793 NZD
$3,265 USD
View
B
Retailer 5
-
$5,857 NZD
$3,301 USD
View
B
Retailer 6
-
$6,562 NZD
SGD 4,998 SGD
View
B
Retailer 7
-
$6,668 NZD
£2,959 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKLMJJHIJ · Oct 30
$8,362 NZD
$4,713 USD
View
7 more retailers have this diamond
Prices start from $1,888 NZDSave up to $6,474 NZD

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
$1,888 NZD