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Marquise|Lab Grown|IGI

1.88ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG825601434

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825601434

Diamond specifications and retailer prices

From $403 NZD
$227 USD
As of October 30, 2026
Save $1,294 NZD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,696 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825601434 or 825601434. Listed at 13 retailers as of October 30, 2026, with prices from $403 to $1,696, a $1,294 spread on the same certified stone. Taylor and Hart lists it at $1,696. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825601434
Dimensions12.80 × 6.61 × 3.86 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.80 mm6.61 mm1.88 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825601434
Side View
Table 57.0%Crown 32.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 58.4%

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: Oct 30
Current: $654 NZD|Low: $392 NZD|High: $1,696 NZD|Avg: $922 NZD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 11$403 NZD
Retailer 12$449 NZD
Retailer 8$467 NZD
Retailer 6$499 NZD
Retailer 7$499 NZD
Retailer 1$654 NZD
Retailer 2$846 NZD
Retailer 5$857 NZD
Retailer 10$1,107 NZD
Retailer 9$1,153 NZD
Retailer 4$1,604 NZD
Retailer 3$1,609 NZD
Taylor and Hart$1,696 NZD

10 data points across 13 retailers

13 retailers$403 NZD to $1,696 NZD

A
Cheapest Retailer
-
$403 NZD
$227 USD
A
Retailer 2
-
$449 NZD
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$467 NZD
$263 USD
View
Retailer 4
-
$499 NZD
$281 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$499 NZD
$281 USD
View
A
Retailer 6
-
$654 NZD
£290 GBP
View
B+
Retailer 7
-
$846 NZD
$477 USD
View
A
Retailer 8
-
$857 NZD
ZAR 7,801 ZAR
View
A
Retailer 9
-
$1,107 NZD
$624 USD
View
A
Retailer 10
-
$1,153 NZD
$650 USD
View
B+
Retailer 11
-
$1,604 NZD
$904 USD
View
B+
Retailer 12
-
$1,609 NZD
$907 USD
View
Most Expensive
B+
Taylor and Hart
CJOH2G6 · Oct 31
$1,696 NZD
$956 USD
View
12 more retailers have this diamond
Prices start from $403 NZDSave up to $1,294 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
$403 NZD