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 $227 USD
As of October 30, 2026
Save $729 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $956 USD 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 $227 to $956, a $729 spread on the same certified stone. Taylor and Hart lists it at $956. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $369 USD|Low: $221 USD|High: $956 USD|Avg: $520 USD|+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$227 USD
Retailer 12$253 USD
Retailer 8$263 USD
Retailer 6$281 USD
Retailer 7$281 USD
Retailer 1$369 USD
Retailer 2$477 USD
Retailer 5$483 USD
Retailer 10$624 USD
Retailer 9$650 USD
Retailer 4$904 USD
Retailer 3$907 USD
Taylor and Hart$956 USD

10 data points across 13 retailers

13 retailers$227 USD to $956 USD

A
Cheapest Retailer
-
$227 USD
A
Retailer 2
-
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$263 USD
View
Retailer 4
-
$281 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$281 USD
View
A
Retailer 6
-
$369 USD
£290 GBP
View
B+
Retailer 7
-
$477 USD
View
A
Retailer 8
-
$483 USD
ZAR 7,801 ZAR
View
A
Retailer 9
-
$624 USD
View
A
Retailer 10
-
$650 USD
View
B+
Retailer 11
-
$904 USD
View
B+
Retailer 12
-
$907 USD
View
Most Expensive
B+
Taylor and Hart
CJOH2G6 · Oct 31
$956 USD
View
12 more retailers have this diamond
Prices start from $227 USDSave up to $729 USD

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
$227 USD