Round|Lab Grown|IGI

1.29ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG530299181

Shape and cutting style on the report: Round brilliant

Certificate IGI LG530299181

Diamond specifications and retailer prices

From $172 USD
As of November 1, 2026
Save $1,478 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,650 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530299181 or 530299181. Listed at 16 retailers as of October 31, 2026, with prices from $172 to $1,650, a $1,478 spread on the same certified stone. Do Amore Diamonds lists it at $1,650. 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

1.29
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530299181
Dimensions7.07 × 7.01 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.07 mm7.01 mm1.29 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530299181
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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 1
Current: $1,650 USD|Low: $172 USD|High: $1,650 USD|Avg: $476 USD
Do Amore Diamonds
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
November 1, 2026
Retailer 7$172 USD
Retailer 6$192 USD
Retailer 12$199 USD
Retailer 3$213 USD
Retailer 4$213 USD
Retailer 5$318 USD
Retailer 14$360 USD
Retailer 11$387 USD
Retailer 10$426 USD
Retailer 15$445 USD
Retailer 9$524 USD
Retailer 13$597 USD
Retailer 2$950 USD
Retailer 8$1,100 USD
Do Amore Diamonds$1,650 USD

39 data points across 15 retailers

16 retailers$172 USD to $1,650 USD

A
Cheapest Retailer
-
$172 USD
A
Retailer 2
-
$192 USD
View
Final sale: no returns
A
Retailer 3
-
$199 USD
View
A
Retailer 4
-
$213 USD
View
Retailer 5
-
$213 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$318 USD
View
A
Retailer 7
-
$360 USD
View
A
Retailer 8
-
$387 USD
€369 EUR
View
A
Retailer 9
-
$426 USD
£336 GBP
View
Retailer 10
-
$445 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$524 USD
£412 GBP
View
B+
Retailer 12
-
$597 USD
View
B+
Retailer 13
-
$756 USD
View
B
Retailer 14
-
$950 USD
View
B
Retailer 15
-
$1,100 USD
£866 GBP
View
Most Expensive
B
Do Amore Diamonds
27-59B8A7EDE · Oct 31
$1,650 USD
View
15 more retailers have this diamond
Prices start from $172 USDSave up to $1,478 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
$172 USD