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Round|Lab Grown|IGI

1.74ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770643218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643218

Diamond specifications and retailer prices

From $248 USD
As of November 1, 2026
Save $1,100 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,348 USD at Reve Diamonds · As of November 1, 2026
View at Reve 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770643218 or 770643218. Listed at 20 retailers as of November 1, 2026, with prices from $248 to $1,348, a $1,100 spread on the same certified stone. Reve Diamonds lists it at $1,348. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643218
Dimensions7.75 × 7.69 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm7.69 mm1.74 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643218
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

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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: $827 USD|Low: $246 USD|High: $1,348 USD|Avg: $668 USD|+11.3%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 5$248 USD
Retailer 11$286 USD
Retailer 12$288 USD
Retailer 2$308 USD
Retailer 15$308 USD
Retailer 3$517 USD
Retailer 8$532 USD
Retailer 14$567 USD
Retailer 9$584 USD
Retailer 1$827 USD
Retailer 13$835 USD
Retailer 6$990 USD
Retailer 7$1,020 USD
Retailer 4$1,041 USD
Retailer 10$1,234 USD
Reve Diamonds$1,348 USD

43 data points across 16 retailers

20 retailers$248 USD to $1,348 USD

Retailer 1
-
$246 USD
Price last confirmed 41 days ago
A
Retailer 2
-
$248 USD
View
A
Retailer 3
-
$286 USD
View
Final sale: no returns
A
Retailer 4
-
$288 USD
View
Retailer 5
-
$301 USD
View
Price last confirmed 41 days ago
Retailer 6
-
$308 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$308 USD
View
B+
Retailer 8
-
$517 USD
View
A
Retailer 9
-
$532 USD
€507 EUR
View
B+
Retailer 10
-
$567 USD
View
B+
Retailer 11
-
$584 USD
£460 GBP
View
B+
Retailer 12
-
$594 USD
View
B+
Retailer 13
-
$827 USD
View
Retailer 14
-
$835 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$981 USD
View
Price last confirmed 42 days ago
B
Retailer 16
-
$990 USD
View
B
Retailer 17
-
$1,020 USD
View
B
Retailer 18
-
$1,041 USD
View
B
Retailer 19
-
$1,234 USD
£972 GBP
View
Most Expensive
B
Reve Diamonds
81CA816BC · Nov 1
$1,348 USD
View
19 more retailers have this diamond
Prices start from $248 USDSave up to $1,100 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
$248 USD