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Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG788629522

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788629522

Diamond specifications and retailer prices

From $479 NZD
As of November 4, 2026
Save $3,122 NZD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,601 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788629522 or 788629522. Listed at 21 retailers as of October 31, 2026, with prices from $479 to $3,601, a $3,122 spread on the same certified stone. Brilliant Earth lists it at $3,601. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629522
Dimensions11.88 × 5.88 × 3.74 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type II
Top View
11.88 mm5.88 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629522
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.6%

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: Nov 4
Current: $3,601 NZD|Low: $467 NZD|High: $3,601 NZD|Avg: $1,355 NZD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
November 5, 2026
Retailer 17$479 NZD
Retailer 9$534 NZD
Retailer 19$555 NZD
Retailer 14$578 NZD
Retailer 3$593 NZD
Retailer 20$798 NZD
Retailer 22$878 NZD
Retailer 6$935 NZD
Retailer 18$1,022 NZD
Retailer 15$1,027 NZD
Retailer 2$1,031 NZD
Retailer 4$1,057 NZD
Retailer 13$1,389 NZD
Retailer 12$1,737 NZD
Retailer 16$1,822 NZD
Retailer 5$1,907 NZD
Retailer 8$1,996 NZD
Retailer 7$2,281 NZD
Retailer 10$2,297 NZD
Retailer 11$2,329 NZD
Retailer 21$2,510 NZD
Brilliant Earth$3,601 NZD

36 data points across 22 retailers

21 retailers$479 NZD to $3,601 NZD

A
Cheapest Retailer
-
$479 NZD
A
Retailer 2
-
$534 NZD
View
Final sale: no returns
A
Retailer 3
-
$555 NZD
View
Retailer 4
-
$578 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$593 NZD
View
B+
Retailer 6
-
$798 NZD
View
A
Retailer 7
-
$878 NZD
View
A
Retailer 8
-
$935 NZD
View
A
Retailer 9
-
$1,022 NZD
View
A
Retailer 10
-
$1,031 NZD
View
A
Retailer 11
-
$1,057 NZD
View
B+
Retailer 12
-
$1,389 NZD
View
Retailer 13
-
$1,737 NZD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$1,822 NZD
View
B
Retailer 15
-
$1,907 NZD
View
B
Retailer 16
-
$1,996 NZD
View
B
Retailer 17
-
$2,281 NZD
View
B
Retailer 18
-
$2,297 NZD
View
Retailer 19
-
$2,329 NZD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$2,510 NZD
View
Most Expensive
B
Brilliant Earth
19980580A · Oct 31
$3,601 NZD
$2,030 USD
View
20 more retailers have this diamond
Prices start from $479 NZDSave up to $3,122 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
1.51ct Marquise
$479 NZD