Radiant|Lab Grown|IGI

1.53ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG759531798

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG759531798

Diamond specifications and retailer prices

From $495 NZD
$279 USD
As of October 30, 2026
Save $3,746 NZD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,241 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant 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 LG759531798 or 759531798. Listed at 23 retailers as of October 30, 2026, with prices from $495 to $4,241, a $3,746 spread on the same certified stone. Brilliant Earth lists it at $4,241. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759531798
Dimensions8.16 × 5.74 × 3.71 mm
L/W Ratio1.42
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
8.16 mm5.74 mm1.53 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759531798
Side View
Table 62.0%Crown 41.5°Girdle: MediumPavilion 32.4°Culet: NoneDepth 64.6%

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 30
Current: $4,241 NZD|Low: $495 NZD|High: $5,145 NZD|Avg: $1,747 NZD|-17.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 17
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Retailer 20
November 1, 2026
Retailer 17$495 NZD
Retailer 5$554 NZD
Retailer 18$614 NZD
Retailer 12$639 NZD
Retailer 15$949 NZD
Retailer 14$991 NZD
Retailer 8$1,013 NZD
Retailer 9$1,055 NZD
Retailer 20$1,079 NZD
Retailer 13$1,083 NZD
Retailer 7$1,429 NZD
Retailer 3$1,833 NZD
Retailer 16$1,888 NZD
Retailer 19$1,920 NZD
Retailer 6$2,064 NZD
Retailer 4$2,363 NZD
Retailer 2$2,461 NZD
Retailer 10$2,566 NZD
Retailer 11$4,037 NZD
Brilliant Earth$4,241 NZD

36 data points across 20 retailers

23 retailers$495 NZD to $4,241 NZD

A
Cheapest Retailer
-
$495 NZD
$279 USD
A
Retailer 2
-
$554 NZD
$312 USD
View
Final sale: no returns
A
Retailer 3
-
$614 NZD
$346 USD
View
Retailer 4
-
$639 NZD
$360 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$949 NZD
$535 USD
View
A
Retailer 6
-
$991 NZD
€532 EUR
View
A
Retailer 7
-
$1,013 NZD
$571 USD
View
A
Retailer 8
-
$1,055 NZD
ZAR 9,610 ZAR
View
A
Retailer 9
-
$1,079 NZD
$608 USD
View
A
Retailer 10
-
$1,083 NZD
£480 GBP
View
A
Retailer 11
-
$1,429 NZD
A$1,239 AUD
View
B+
Retailer 12
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$1,684 NZD
$949 USD
View
B+
Retailer 13
-
$1,833 NZD
$1,033 USD
View
B+
Retailer 14
-
$1,888 NZD
$1,064 USD
View
B+
Retailer 15
-
$1,920 NZD
$1,082 USD
View
B+
Retailer 16
-
$2,064 NZD
$1,163 USD
View
B+
Retailer 17
-
$2,191 NZD
$1,235 USD
View
B+
Retailer 18
-
$2,363 NZD
$1,332 USD
View
B+
Retailer 19
-
$2,461 NZD
£1,092 GBP
View
B+
Retailer 20
-
$2,566 NZD
$1,446 USD
View
Retailer 21
-
$3,945 NZD
A$3,421 AUD
View
Price last confirmed 121 days ago
Retailer 22
-
$4,037 NZD
$2,275 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
17364768A · Oct 31
$4,241 NZD
$2,390 USD
View
22 more retailers have this diamond
Prices start from $495 NZDSave up to $3,746 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 Radiant
$495 NZD