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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG747578077

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747578077

Diamond specifications and retailer prices

From $213 USD
As of November 1, 2026
Save $1,397 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,610 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747578077 or 747578077. Listed at 19 retailers as of November 1, 2026, with prices from $213 to $1,610, a $1,397 spread on the same certified stone. Brilliant Earth lists it at $1,610. 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

1.53
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747578077
Dimensions7.39 × 7.33 × 4.53 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
7.39 mm7.33 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747578077
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

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: $1,060 USD|Low: $204 USD|High: $1,610 USD|Avg: $590 USD|-4.5%
Brilliant Earth
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
November 6, 2026
Retailer 13$213 USD
Retailer 3$264 USD
Retailer 14$264 USD
Retailer 2$318 USD
Retailer 8$422 USD
Retailer 6$453 USD
Retailer 11$481 USD
Retailer 10$518 USD
Retailer 5$520 USD
Retailer 7$759 USD
Retailer 9$765 USD
Retailer 4$849 USD
Brilliant Earth$1,060 USD
Retailer 12$1,064 USD

44 data points across 14 retailers

19 retailers$213 USD to $1,610 USD

Retailer 1
-
$213 USD
Price last confirmed 44 days ago
A
Retailer 2
-
$213 USD
View
Retailer 3
-
$247 USD
View
Price last confirmed 45 days ago
Retailer 4
-
$261 USD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$264 USD
View
Retailer 6
-
$264 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$318 USD
View
A
Retailer 8
-
$422 USD
View
A
Retailer 9
-
$453 USD
View
B+
Retailer 10
-
$481 USD
View
B+
Retailer 11
-
$518 USD
View
B+
Retailer 12
-
$520 USD
View
B+
Retailer 13
-
$693 USD
View
B+
Retailer 14
-
$759 USD
View
B
Retailer 15
-
$765 USD
View
B
Retailer 16
-
$849 USD
View
B
Retailer 17
-
$1,060 USD
View
Retailer 18
-
$1,064 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21116661A · Nov 5
$1,610 USD
View
18 more retailers have this diamond
Prices start from $213 USDSave up to $1,397 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
1.53ct Round
$213 USD