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Round|Lab Grown|IGI

1.74ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG528233778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528233778

Diamond specifications and retailer prices

From $339 USD
As of October 29, 2026
Save $2,671 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,010 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528233778 or 528233778. Listed at 19 retailers as of October 29, 2026, with prices from $339 to $3,010, a $2,671 spread on the same certified stone. Do Amore Diamonds lists it at $3,010. 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

1.74
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528233778
Dimensions7.71 × 7.79 × 4.75 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
7.71 mm7.79 mm1.74 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528233778
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: Oct 29
Current: $3,010 USD|Low: $339 USD|High: $3,010 USD|Avg: $1,034 USD
Do Amore Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 19$339 USD
Retailer 17$394 USD
Retailer 5$421 USD
Retailer 15$421 USD
Retailer 13$445 USD
Retailer 14$500 USD
Retailer 3$514 USD
Retailer 18$761 USD
Retailer 7$770 USD
Retailer 12$788 USD
Retailer 9$789 USD
Retailer 2$810 USD
Retailer 11$869 USD
Retailer 6$1,234 USD
Retailer 8$1,378 USD
Retailer 4$1,494 USD
Retailer 10$1,649 USD
Retailer 16$1,817 USD
Do Amore Diamonds$3,010 USD

11 data points across 19 retailers

19 retailers$339 USD to $3,010 USD

A
Cheapest Retailer
-
$339 USD
A
Retailer 2
-
$394 USD
View
A
Retailer 3
-
$421 USD
View
A
Retailer 4
-
$421 USD
View
B+
Retailer 5
-
$445 USD
View
A
Retailer 6
-
$500 USD
View
A
Retailer 7
-
$514 USD
View
A
Retailer 8
-
$761 USD
View
Retailer 9
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$770 USD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$788 USD
£621 GBP
View
A
Retailer 11
-
$789 USD
View
A
Retailer 12
-
$810 USD
View
A
Retailer 13
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$869 USD
View
A
Retailer 14
-
$1,234 USD
View
A
Retailer 15
-
$1,378 USD
View
A
Retailer 16
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$1,494 USD
View
B+
Retailer 17
-
$1,649 USD
View
B+
Retailer 18
-
$1,817 USD
£1,431 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B05EBA49C · Oct 29
$3,010 USD
View
18 more retailers have this diamond
Prices start from $339 USDSave up to $2,671 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
1.74ct Round
$339 USD