Round|Lab Grown|IGI

1.53ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG787638177

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787638177

Diamond specifications and retailer prices

From $536 USD
As of October 29, 2026
Save $3,834 USD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,370 USD at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787638177 or 787638177. Listed at 24 retailers as of October 29, 2026, with prices from $536 to $4,370, a $3,834 spread on the same certified stone. Brilliant Earth lists it at $4,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787638177
Dimensions7.37 × 7.41 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.37 mm7.41 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787638177
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°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: Oct 29
Current: $4,370 USD|Low: $427 USD|High: $5,070 USD|Avg: $1,387 USD|-13.8%
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 20
October 30, 2026
Retailer 19$536 USD
Retailer 10$599 USD
Retailer 8$600 USD
Retailer 3$665 USD
Retailer 11$665 USD
Retailer 17$730 USD
Retailer 16$800 USD
Retailer 7$884 USD
Retailer 20$928 USD
Retailer 14$1,000 USD
Retailer 5$1,028 USD
Retailer 2$1,032 USD
Retailer 12$1,058 USD
Retailer 15$1,142 USD
Retailer 18$1,492 USD
Retailer 9$1,748 USD
Retailer 6$2,105 USD
Retailer 4$2,140 USD
Retailer 13$2,790 USD
Brilliant Earth$4,370 USD

43 data points across 20 retailers

24 retailers$536 USD to $4,370 USD

A
Cheapest Retailer
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$536 USD
A
Retailer 2
-
$599 USD
View
Final sale: no returns
A
Retailer 3
-
$600 USD
View
A
Retailer 4
-
$665 USD
View
Retailer 5
-
$665 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$730 USD
HK$5,700 HKD
View
A
Retailer 7
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$800 USD
View
A
Retailer 8
-
$884 USD
View
A
Retailer 9
-
$928 USD
A$1,428 AUD
View
A
Retailer 10
-
$1,000 USD
€952 EUR
View
B+
Retailer 11
-
$1,028 USD
View
B+
Retailer 12
-
$1,032 USD
£812 GBP
View
B+
Retailer 13
-
$1,058 USD
View
B+
Retailer 14
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$1,142 USD
ZAR 18,456 ZAR
View
B+
Retailer 15
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$1,492 USD
View
Retailer 16
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$1,588 USD
View
Price last confirmed 44 days ago
B+
Retailer 17
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$1,748 USD
View
B
Retailer 18
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$2,105 USD
SGD 2,845 SGD
View
B
Retailer 19
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$2,140 USD
View
B
Retailer 20
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$2,159 USD
View
B
Retailer 21
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$2,266 USD
View
Retailer 22
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$2,728 USD
View
Price last confirmed 88 days ago
B
Retailer 23
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$2,790 USD
£2,197 GBP
View
Most Expensive
B
Brilliant Earth
20915465A · Oct 30
$4,370 USD
View
23 more retailers have this diamond
Prices start from $536 USDSave up to $3,834 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
$536 USD