Round|Lab Grown|IGI

1.29ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG818686571

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686571

Diamond specifications and retailer prices

From $213 USD
As of November 3, 2026
Save $851 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,064 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686571 or 818686571. Listed at 16 retailers as of October 29, 2026, with prices from $213 to $1,064, a $851 spread on the same certified stone. MOH London lists it at $1,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686571
Dimensions7.04 × 7.00 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm7.00 mm1.29 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686571
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.7%

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: Nov 3
Current: $1,064 USD|Low: $213 USD|High: $1,072 USD|Avg: $615 USD|-0.6%
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
November 2, 2026
Retailer 11$213 USD
Retailer 12$264 USD
Retailer 13$453 USD
Retailer 8$456 USD
Retailer 5$462 USD
Retailer 7$482 USD
Retailer 9$525 USD
Retailer 10$640 USD
Retailer 2$646 USD
Retailer 6$693 USD
Retailer 4$902 USD
Retailer 3$960 USD
MOH London$1,064 USD

27 data points across 13 retailers

16 retailers$213 USD to $1,064 USD

A
Cheapest Retailer
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$213 USD
A
Retailer 2
-
$247 USD
View
A
Retailer 3
-
$264 USD
View
Retailer 4
-
$264 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$453 USD
View
A
Retailer 6
-
$456 USD
ZAR 7,368 ZAR
View
A
Retailer 7
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$462 USD
View
A
Retailer 8
-
$482 USD
€459 EUR
View
A
Retailer 9
-
$525 USD
View
B+
Retailer 10
-
$640 USD
View
A
Retailer 11
-
$646 USD
A$994 AUD
View
B+
Retailer 12
-
$693 USD
View
B+
Retailer 13
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$849 USD
View
B+
Retailer 14
-
$902 USD
View
B+
Retailer 15
-
$980 USD
View
Most Expensive
B+
MOH London
LG818686571 · Oct 29
$1,064 USD
£838 GBP
View
15 more retailers have this diamond
Prices start from $213 USDSave up to $851 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
1.29ct Round
$213 USD