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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 $550 NZD
$310 USD
As of October 29, 2026
Save $3,566 NZD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,116 NZD 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 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 $550 to $4,116, a $3,566 spread on the same certified stone. Brilliant Earth lists it at $4,116. 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
Colour
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: $4,116 NZD|Low: $550 NZD|High: $5,004 NZD|Avg: $1,687 NZD|-17.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
October 30, 2026
Retailer 18$550 NZD
Retailer 12$616 NZD
Retailer 6$639 NZD
Retailer 4$683 NZD
Retailer 11$683 NZD
Retailer 14$919 NZD
Retailer 3$958 NZD
Retailer 19$1,029 NZD
Retailer 22$1,069 NZD
Retailer 25$1,173 NZD
Retailer 20$1,212 NZD
Retailer 7$1,276 NZD
Retailer 23$1,289 NZD
Retailer 8$1,592 NZD
Retailer 24$1,592 NZD
Retailer 2$1,659 NZD
Retailer 16$2,187 NZD
Retailer 10$2,195 NZD
Retailer 9$2,277 NZD
Retailer 13$2,474 NZD
Retailer 17$2,624 NZD
Retailer 15$2,742 NZD
Retailer 21$2,749 NZD
Retailer 5$3,762 NZD
Brilliant Earth$4,116 NZD

21 data points across 25 retailers

25 retailers$550 NZD to $4,116 NZD

A
Cheapest Retailer
-
$550 NZD
$310 USD
A
Retailer 2
-
$616 NZD
$347 USD
View
Final sale: no returns
A
Retailer 3
-
$639 NZD
$360 USD
View
A
Retailer 4
-
$683 NZD
$385 USD
View
A
Retailer 5
-
$683 NZD
$385 USD
View
A
Retailer 6
-
$919 NZD
$518 USD
View
A
Retailer 7
-
$958 NZD
$540 USD
View
A
Retailer 8
-
$1,029 NZD
£457 GBP
View
A
Retailer 9
-
$1,069 NZD
€574 EUR
View
A
Retailer 10
-
$1,173 NZD
ZAR 10,679 ZAR
View
A
Retailer 11
-
$1,212 NZD
£538 GBP
View
A
Retailer 12
-
$1,276 NZD
$719 USD
View
A
Retailer 13
-
$1,289 NZD
A$1,118 AUD
View
A
Retailer 14
-
$1,592 NZD
$897 USD
View
A
Retailer 15
-
$1,592 NZD
A$1,380 AUD
View
A
Retailer 16
-
$1,659 NZD
$935 USD
View
B+
Retailer 17
-
$2,187 NZD
SGD 1,666 SGD
View
B+
Retailer 18
-
$2,195 NZD
$1,237 USD
View
B+
Retailer 19
-
$2,277 NZD
$1,283 USD
View
B+
Retailer 20
-
$2,474 NZD
A$2,145 AUD
View
B+
Retailer 21
-
$2,624 NZD
$1,479 USD
View
B+
Retailer 22
-
$2,742 NZD
$1,545 USD
View
B+
Retailer 23
-
$2,749 NZD
£1,220 GBP
View
B
Retailer 24
-
$3,762 NZD
$2,120 USD
View
Most Expensive
B
Brilliant Earth
18479103A · Oct 30
$4,116 NZD
$2,320 USD
View
24 more retailers have this diamond
Prices start from $550 NZDSave up to $3,566 NZD

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
$550 NZD