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Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG655451354

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

Certificate IGI LG655451354

Diamond specifications and retailer prices

From $1,267 NZD
As of November 4, 2026
Save $6,805 NZD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,247 NZD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

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 LG655451354 or 655451354. Listed at 26 retailers as of November 4, 2026, with a 537% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655451354
Dimensions8.04 × 5.70 × 3.85 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.70 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655451354
Side View
Table 67.0%Crown 44.4°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 67.5%

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: Nov 4
Current: $11,247 NZD|Low: $1,217 NZD|High: $11,247 NZD|Avg: $3,861 NZD
Do Amore Diamonds
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
November 5, 2026
Retailer 6$1,267 NZD
Retailer 7$1,469 NZD
Retailer 16$1,469 NZD
Retailer 14$1,783 NZD
Retailer 10$1,829 NZD
Retailer 8$2,076 NZD
Retailer 9$2,464 NZD
Retailer 11$2,980 NZD
Retailer 15$3,525 NZD
Retailer 3$3,621 NZD
Retailer 13$4,038 NZD
Retailer 4$4,987 NZD
Retailer 5$5,010 NZD
Retailer 2$6,064 NZD
Retailer 12$8,072 NZD
Do Amore Diamonds$11,247 NZD

38 data points across 16 retailers

26 retailers$1,267 NZD to $8,072 NZD

Retailer 1
-
$1,267 NZD
Price last confirmed 28 days ago
A
Retailer 2
-
$1,267 NZD
View
Retailer 3
-
$1,378 NZD
View
Price last confirmed 39 days ago
Retailer 4
-
$1,469 NZD
View
Price last confirmed 33 days ago
Retailer 5
-
$1,469 NZD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,519 NZD
View
Final sale: no returns
A
Retailer 7
-
$1,623 NZD
View
A
Retailer 8
-
$1,739 NZD
View
A
Retailer 9
-
$1,783 NZD
View
A
Retailer 10
-
$1,829 NZD
View
B+
Retailer 11
-
$2,076 NZD
View
B+
Retailer 12
-
$2,464 NZD
View
B+
Retailer 13
-
$2,980 NZD
View
B+
Retailer 14
-
$3,525 NZD
View
B
Retailer 15
-
$3,621 NZD
View
B
Retailer 16
-
$4,038 NZD
View
Retailer 17
-
$4,561 NZD
View
Price last confirmed 36 days ago
B
Retailer 18
-
$4,561 NZD
View
B
Retailer 19
-
$4,987 NZD
View
B
Retailer 20
-
$5,010 NZD
View
B
Retailer 21
-
$5,028 NZD
View
B
Retailer 22
-
$5,522 NZD
View
B
Retailer 23
-
$5,797 NZD
View
B
Retailer 24
-
$6,064 NZD
View
B
Retailer 25
-
$8,072 NZD
View
Most Expensive
Do Amore Diamonds
27-D60FBC30F · Nov 5
$11,247 NZD
$6,340 USD
View
Price under review
25 more retailers have this diamond
Prices start from $1,267 NZDSave up to $6,805 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
$1,267 NZD