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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743550584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743550584

Diamond specifications and retailer prices

From $600 NZD
As of November 3, 2026
Save $4,722 NZD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,322 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round 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 LG743550584 or 743550584. Listed at 26 retailers as of November 3, 2026, with prices from $600 to $5,322, a $4,722 spread on the same certified stone. Do Amore Diamonds lists it at $5,322. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550584
Dimensions7.38 × 7.33 × 4.54 mm
L/W Ratio1.01
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
7.38 mm7.33 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550584
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

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 3
Current: $3,197 NZD|Low: $600 NZD|High: $5,357 NZD|Avg: $1,810 NZD|-1.2%
Retailer 1
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
November 5, 2026
Retailer 5$600 NZD
Retailer 4$695 NZD
Retailer 3$729 NZD
Retailer 8$743 NZD
Retailer 7$1,056 NZD
Retailer 2$1,066 NZD
Retailer 10$1,118 NZD
Retailer 11$1,162 NZD
Retailer 14$1,291 NZD
Retailer 16$1,327 NZD
Retailer 17$1,414 NZD
Retailer 12$1,464 NZD
Retailer 13$1,914 NZD
Retailer 9$2,180 NZD
Retailer 6$2,638 NZD
Retailer 18$3,081 NZD
Retailer 1$3,197 NZD
Retailer 15$3,202 NZD
Retailer 19$4,027 NZD

32 data points across 19 retailers

26 retailers$600 NZD to $5,322 NZD

A
Cheapest Retailer
-
$600 NZD
A
Retailer 2
-
$695 NZD
View
A
Retailer 3
-
$729 NZD
View
Final sale: no returns
A
Retailer 4
-
$743 NZD
View
A
Retailer 5
-
$1,066 NZD
View
A
Retailer 6
-
$1,118 NZD
View
A
Retailer 7
-
$1,162 NZD
View
A
Retailer 8
-
$1,291 NZD
View
A
Retailer 9
-
$1,327 NZD
View
A
Retailer 10
-
$1,338 NZD
View
A
Retailer 11
-
$1,414 NZD
View
A
Retailer 12
-
$1,464 NZD
View
A
Retailer 13
-
$1,508 NZD
View
B+
Retailer 14
-
$1,886 NZD
View
B+
Retailer 15
-
$1,914 NZD
View
B+
Retailer 16
-
$2,180 NZD
View
B+
Retailer 17
-
$2,638 NZD
View
B+
Retailer 18
-
$2,808 NZD
View
B+
Retailer 19
-
$2,886 NZD
View
B+
Retailer 20
-
$2,913 NZD
View
B+
Retailer 21
-
$3,081 NZD
View
B
Retailer 22
-
$3,115 NZD
View
B+
Retailer 23
-
$3,197 NZD
View
B+
Retailer 24
-
$3,202 NZD
View
B
Retailer 25
-
$4,027 NZD
View
Most Expensive
B
Do Amore Diamonds
27-DDA56D148 · Nov 4
$5,322 NZD
$3,000 USD
View
25 more retailers have this diamond
Prices start from $600 NZDSave up to $4,722 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
1.51ct Round
$600 NZD