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Round|Lab Grown|IGI

1.50ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG526291488

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526291488

Diamond specifications and retailer prices

From $399 USD
As of October 30, 2026
Save $1,337 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,736 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round 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 LG526291488 or 526291488. Listed at 18 retailers as of October 29, 2026, with prices from $399 to $1,736, a $1,337 spread on the same certified stone. MOH London lists it at $1,736. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526291488
Dimensions7.21 × 7.27 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.21 mm7.27 mm1.50 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG526291488
Side View
Table 55.5%Crown 36.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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: $1,736 USD|Low: $284 USD|High: $1,748 USD|Avg: $834 USD|-0.7%
MOH London
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
October 29, 2026
Retailer 14$399 USD
Retailer 11$442 USD
Retailer 12$442 USD
Retailer 5$486 USD
Retailer 7$670 USD
Retailer 4$688 USD
Retailer 13$696 USD
Retailer 10$708 USD
Retailer 2$759 USD
Retailer 8$870 USD
Retailer 3$957 USD
Retailer 9$1,296 USD
Retailer 6$1,461 USD
MOH London$1,736 USD

24 data points across 14 retailers

18 retailers$399 USD to $1,736 USD

Retailer 1
-
$342 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$399 USD
View
Final sale: no returns
Retailer 3
-
$413 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$413 USD
View
A
Retailer 5
-
$442 USD
View
Retailer 6
-
$442 USD
View
Price last confirmed 27 days ago
A
Retailer 7
-
$486 USD
HK$3,800 HKD
View
B+
Retailer 8
-
$670 USD
View
B+
Retailer 9
-
$688 USD
View
B+
Retailer 10
-
$696 USD
View
B+
Retailer 11
-
$708 USD
View
B+
Retailer 12
-
$759 USD
ZAR 12,267 ZAR
View
B+
Retailer 13
-
$870 USD
View
Retailer 14
-
$957 USD
View
Price last confirmed 17 days ago
B
Retailer 15
-
$1,296 USD
View
Retailer 16
-
$1,420 USD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$1,461 USD
View
Most Expensive
B
MOH London
LG526291488 · Oct 29
$1,736 USD
£1,367 GBP
View
17 more retailers have this diamond
Prices start from $399 USDSave up to $1,337 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
1.50ct Round
$399 USD