Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG735501410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735501410

Diamond specifications and retailer prices

From $133 USD
As of November 5, 2026
Save $1,242 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,375 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG735501410 or 735501410. Listed at 14 retailers as of November 5, 2026, with prices from $133 to $1,375, a $1,242 spread on the same certified stone. MOH London lists it at $1,375. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735501410
Dimensions6.57 × 6.61 × 4.01 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
6.57 mm6.61 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735501410
Side View
Table 55.0%Crown 34.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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 5
Current: $1,375 USD|Low: $133 USD|High: $1,597 USD|Avg: $460 USD|-0.3%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 13$133 USD
Retailer 12$155 USD
Retailer 6$165 USD
Retailer 4$192 USD
Retailer 2$273 USD
Retailer 16$290 USD
Retailer 14$295 USD
Retailer 3$313 USD
Retailer 9$324 USD
Retailer 10$395 USD
Retailer 15$413 USD
Retailer 5$531 USD
Retailer 11$561 USD
Retailer 7$762 USD
Retailer 8$1,020 USD
MOH London$1,375 USD

12 data points across 16 retailers

14 retailers$133 USD to $1,375 USD

A
Cheapest Retailer
-
$133 USD
A
Retailer 2
-
$155 USD
View
A
Retailer 3
-
$165 USD
View
A
Retailer 4
-
$192 USD
View
A
Retailer 5
-
$273 USD
View
A
Retailer 6
-
$290 USD
View
Retailer 7
-
$295 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$313 USD
View
A
Retailer 9
-
$324 USD
View
B+
Retailer 10
-
$395 USD
View
B+
Retailer 11
-
$413 USD
View
B+
Retailer 12
-
$531 USD
View
B
Retailer 13
-
$561 USD
View
Most Expensive
B
MOH London
LG735501410 · Nov 5
$1,375 USD
£1,083 GBP
View
13 more retailers have this diamond
Prices start from $133 USDSave up to $1,242 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
1.05ct Round
$133 USD