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Round|Lab Grown|IGI

1.53ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG735528250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735528250

Diamond specifications and retailer prices

From $310 USD
As of October 29, 2026
Save $2,500 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,810 USD at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735528250 or 735528250. Listed at 25 retailers as of October 29, 2026, with prices from $310 to $2,810, a $2,500 spread on the same certified stone. Brilliant Earth lists it at $2,810. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735528250
Dimensions7.40 × 7.43 × 4.52 mm
L/W Ratio1.00
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
7.40 mm7.43 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735528250
Side View
Table 56.0%Crown 33.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.0%

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: $2,810 USD|Low: $310 USD|High: $2,820 USD|Avg: $948 USD|-0.4%
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 17$310 USD
Retailer 11$347 USD
Retailer 4$360 USD
Retailer 10$385 USD
Retailer 24$385 USD
Retailer 12$518 USD
Retailer 23$540 USD
Retailer 18$581 USD
Retailer 19$603 USD
Retailer 22$661 USD
Retailer 2$683 USD
Retailer 6$719 USD
Retailer 20$727 USD
Retailer 7$897 USD
Retailer 21$897 USD
Retailer 5$995 USD
Retailer 15$1,233 USD
Retailer 9$1,237 USD
Retailer 8$1,283 USD
Retailer 16$1,479 USD
Retailer 14$1,545 USD
Retailer 13$1,549 USD
Retailer 3$2,120 USD
Brilliant Earth$2,810 USD

22 data points across 24 retailers

25 retailers$310 USD to $2,810 USD

A
Cheapest Retailer
-
$310 USD
A
Retailer 2
-
$347 USD
View
Final sale: no returns
A
Retailer 3
-
$360 USD
View
A
Retailer 4
-
$385 USD
View
A
Retailer 5
-
$385 USD
View
A
Retailer 6
-
$518 USD
View
A
Retailer 7
-
$540 USD
View
A
Retailer 8
-
$581 USD
£458 GBP
View
A
Retailer 9
-
$603 USD
€574 EUR
View
A
Retailer 10
-
$661 USD
ZAR 10,679 ZAR
View
A
Retailer 11
-
$683 USD
£538 GBP
View
A
Retailer 12
-
$719 USD
View
A
Retailer 13
-
$727 USD
A$1,118 AUD
View
A
Retailer 14
-
$897 USD
View
A
Retailer 15
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$897 USD
A$1,380 AUD
View
B+
Retailer 16
-
$995 USD
View
B+
Retailer 17
-
$1,233 USD
SGD 1,666 SGD
View
B+
Retailer 18
-
$1,237 USD
View
B+
Retailer 19
-
$1,283 USD
View
Retailer 20
-
$1,430 USD
A$2,200 AUD
View
Price last confirmed 29 days ago
B+
Retailer 21
-
$1,479 USD
View
B+
Retailer 22
-
$1,545 USD
View
B+
Retailer 23
-
$1,549 USD
£1,220 GBP
View
B+
Retailer 24
-
$2,120 USD
View
Most Expensive
B
Brilliant Earth
18479103A · Oct 29
$2,810 USD
View
24 more retailers have this diamond
Prices start from $310 USDSave up to $2,500 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
$310 USD