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Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG760552274

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

Certificate IGI LG760552274

Diamond specifications and retailer prices

From $500 NZD
As of November 4, 2026
Save $4,662 NZD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,162 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG760552274 or 760552274. Listed at 27 retailers as of November 4, 2026, with prices from $500 to $5,162, a $4,662 spread on the same certified stone. Brilliant Earth lists it at $5,162. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760552274
Dimensions8.59 × 5.87 × 3.75 mm
L/W Ratio1.46
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
8.59 mm5.87 mm1.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760552274
Side View
Table 63.0%Crown 37°Girdle: MediumPavilion 34°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,162 NZD|Low: $500 NZD|High: $5,943 NZD|Avg: $1,998 NZD|-13.1%
Brilliant Earth
Retailer 2
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November 5, 2026
Retailer 4$500 NZD
Retailer 12$559 NZD
Retailer 23$582 NZD
Retailer 7$621 NZD
Retailer 14$621 NZD
Retailer 18$722 NZD
Retailer 16$885 NZD
Retailer 22$905 NZD
Retailer 21$908 NZD
Retailer 6$1,087 NZD
Retailer 20$1,181 NZD
Retailer 2$1,208 NZD
Retailer 3$1,462 NZD
Retailer 19$1,611 NZD
Retailer 5$2,205 NZD
Retailer 10$2,388 NZD
Retailer 17$2,492 NZD
Retailer 15$2,558 NZD
Retailer 9$2,578 NZD
Retailer 11$2,675 NZD
Retailer 13$2,741 NZD
Retailer 24$4,364 NZD
Retailer 8$4,453 NZD
Brilliant Earth$5,162 NZD

33 data points across 24 retailers

27 retailers$500 NZD to $5,162 NZD

A
Cheapest Retailer
-
$500 NZD
A
Retailer 2
-
$559 NZD
View
Final sale: no returns
A
Retailer 3
-
$582 NZD
View
Retailer 4
-
$621 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$621 NZD
View
A
Retailer 6
-
$722 NZD
View
A
Retailer 7
-
$885 NZD
View
A
Retailer 8
-
$905 NZD
View
A
Retailer 9
-
$908 NZD
View
A
Retailer 10
-
$1,087 NZD
View
A
Retailer 11
-
$1,181 NZD
View
A
Retailer 12
-
$1,208 NZD
View
A
Retailer 13
-
$1,462 NZD
View
A
Retailer 14
-
$1,611 NZD
View
B+
Retailer 15
-
$1,909 NZD
View
B+
Retailer 16
-
$2,205 NZD
View
B+
Retailer 17
-
$2,333 NZD
View
Retailer 18
-
$2,388 NZD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$2,492 NZD
View
B+
Retailer 20
-
$2,558 NZD
View
B+
Retailer 21
-
$2,578 NZD
View
B+
Retailer 22
-
$2,675 NZD
View
B+
Retailer 23
-
$2,741 NZD
View
Retailer 24
-
$4,364 NZD
View
Price last confirmed 8 days ago
B
Retailer 25
-
$4,453 NZD
View
Retailer 26
-
$5,045 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20152704Y · Nov 4
$5,162 NZD
$2,910 USD
View
26 more retailers have this diamond
Prices start from $500 NZDSave up to $4,662 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
1.55ct Radiant
$500 NZD