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Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG831682081

Certificate IGI LG831682081

Diamond specifications and retailer prices

From $1,620 NZD
As of November 4, 2026
Save $1,396 NZD (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,016 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831682081 or 831682081. Listed at 4 retailers as of November 4, 2026, with prices from $1,620 to $3,016, a $1,396 spread on the same certified stone. Helzberg Diamonds lists it at $3,016. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG831682081
Dimensions11.12 × 5.73 × 3.57 mm
L/W Ratio1.94
Top View
11.12 mm5.73 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831682081
Side View
Table 54.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,016 NZD|Low: $1,620 NZD|High: $3,016 NZD|Avg: $2,105 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 4$1,620 NZD
Retailer 3$1,675 NZD
Retailer 2$2,111 NZD
Helzberg Diamonds$3,016 NZD

1 data point across 4 retailers

4 retailers$1,620 NZD to $3,016 NZD

B+
Cheapest Retailer
-
$1,620 NZD
B+
Retailer 2
-
$1,675 NZD
View
B
Retailer 3
-
$2,111 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMOIGOH · Nov 4
$3,016 NZD
$1,700 USD
View
3 more retailers have this diamond
Prices start from $1,620 NZDSave up to $1,396 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.

B+
1.28ct Marquise
$1,620 NZD