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Marquise|Lab Grown|IGI

1.38ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG818689035

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818689035

Diamond specifications and retailer prices

From $470 NZD
$265 USD
As of November 1, 2026
Save $1,623 NZD (78%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,966 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.38ct lab-grown marquise diamond

This 1.38ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818689035 or 818689035. Listed at 26 retailers as of November 1, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818689035
Dimensions11.97 × 5.76 × 3.58 mm
L/W Ratio2.08
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
11.97 mm5.76 mm1.38 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818689035
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.2%

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 1
Current: $901 NZD|Low: $399 NZD|High: $2,324 NZD|Avg: $1,178 NZD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 8$399 NZD
Retailer 4$470 NZD
Retailer 16$522 NZD
Retailer 14$868 NZD
Retailer 3$882 NZD
Retailer 1$901 NZD
Retailer 12$932 NZD
Retailer 10$988 NZD
Retailer 2$1,052 NZD
Retailer 15$1,273 NZD
Retailer 11$1,295 NZD
Retailer 7$1,677 NZD
Retailer 5$1,678 NZD
Retailer 13$1,757 NZD
Retailer 6$1,771 NZD
Retailer 9$2,093 NZD

39 data points across 16 retailers

26 retailers$470 NZD to $2,093 NZD

Retailer 1
-
$399 NZD
$225 USD
Price last confirmed 31 days ago
Retailer 2
-
$413 NZD
$233 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$470 NZD
$265 USD
View
Final sale: no returns
Retailer 4
-
$483 NZD
$272 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$509 NZD
$287 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$513 NZD
$289 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$522 NZD
$294 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$522 NZD
$294 USD
View
A
Retailer 9
-
$868 NZD
€466 EUR
View
A
Retailer 10
-
$882 NZD
$497 USD
View
A
Retailer 11
-
$901 NZD
ZAR 8,208 ZAR
View
A
Retailer 12
-
$932 NZD
A$808 AUD
View
A
Retailer 13
-
$988 NZD
£438 GBP
View
A
Retailer 14
-
$1,052 NZD
$593 USD
View
B+
Retailer 15
-
$1,273 NZD
A$1,104 AUD
View
B+
Retailer 16
-
$1,295 NZD
$730 USD
View
B+
Retailer 17
-
$1,322 NZD
$745 USD
View
Retailer 18
-
$1,560 NZD
A$1,353 AUD
View
Price last confirmed 80 days ago
Retailer 19
-
$1,657 NZD
$934 USD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
$1,677 NZD
$945 USD
View
B
Retailer 21
-
$1,678 NZD
$946 USD
View
B
Retailer 22
-
$1,678 NZD
$946 USD
View
B
Retailer 23
-
$1,757 NZD
$990 USD
View
B
Retailer 24
-
$1,771 NZD
$998 USD
View
B
Retailer 25
-
$2,093 NZD
£929 GBP
View
Most Expensive
Queensmith
LG818689035 · Oct 27
$3,966 NZD
£1,760 GBP
View
Price under review
25 more retailers have this diamond
Prices start from $470 NZDSave up to $1,623 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
1.38ct Marquise
$470 NZD