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Round|Lab Grown|IGI

1.74ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG526287424

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526287424

Diamond specifications and retailer prices

From $352 USD
As of October 28, 2026
Save $578 USD (62%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $930 USD at Rare Carat · As of October 25, 2026
View at Rare Carat

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526287424 or 526287424. Listed at 3 retailers as of October 25, 2026, with prices from $352 to $930, a $578 spread on the same certified stone. Rare Carat lists it at $930. 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
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526287424
Dimensions7.78 × 7.73 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.78 mm7.73 mm1.74 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526287424
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $930 USD|Low: $225 USD|High: $1,460 USD|Avg: $751 USD|-2.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 18, 2026
Retailer 5$225 USD
Retailer 3$352 USD
Retailer 8$422 USD
Retailer 9$682 USD
Retailer 7$756 USD
Retailer 2$760 USD
Retailer 6$895 USD
Rare Carat$930 USD
Retailer 4$1,050 USD
Retailer 10$1,460 USD

4 data points across 10 retailers

3 retailers$352 USD to $930 USD

B+
Cheapest Retailer
-
$352 USD
B
Retailer 2
-
$760 USD
View
Most Expensive
B
Rare Carat
G2-59 · Oct 25
$930 USD
View
2 more retailers have this diamond
Prices start from $352 USDSave up to $578 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.

B+
1.74ct Round
$352 USD