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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG806616973

Shape and cutting style on the report: Round brilliant

Certificate IGI LG806616973

Diamond specifications and retailer prices

From $717 NZD
As of November 3, 2026
Save $7,089 NZD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,806 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG806616973 or 806616973. Listed at 25 retailers as of November 3, 2026, with prices from $717 to $7,806, a $7,089 spread on the same certified stone. Brilliant Earth lists it at $7,806. 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 angle32.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806616973
Dimensions7.42 × 7.46 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.46 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806616973
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.3%

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: Nov 3
Current: $3,461 NZD|Low: $717 NZD|High: $3,952 NZD|Avg: $1,919 NZD|+2.0%
Retailer 1
Retailer 2
Retailer 3
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Retailer 23
November 5, 2026
Retailer 23$717 NZD
Retailer 16$802 NZD
Retailer 11$804 NZD
Retailer 3$889 NZD
Retailer 14$889 NZD
Retailer 15$999 NZD
Retailer 18$1,135 NZD
Retailer 22$1,153 NZD
Retailer 2$1,192 NZD
Retailer 5$1,318 NZD
Retailer 19$1,389 NZD
Retailer 12$1,440 NZD
Retailer 20$1,533 NZD
Retailer 6$1,758 NZD
Retailer 21$2,010 NZD
Retailer 17$2,072 NZD
Retailer 8$2,858 NZD
Retailer 10$2,877 NZD
Retailer 7$2,920 NZD
Retailer 4$3,271 NZD
Retailer 9$3,328 NZD
Retailer 1$3,461 NZD
Retailer 13$3,906 NZD

23 data points across 23 retailers

25 retailers$717 NZD to $7,806 NZD

A
Cheapest Retailer
-
$717 NZD
A
Retailer 2
-
$802 NZD
View
Final sale: no returns
A
Retailer 3
-
$804 NZD
View
A
Retailer 4
-
$889 NZD
View
Retailer 5
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$889 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
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$999 NZD
View
A
Retailer 7
-
$1,135 NZD
View
A
Retailer 8
-
$1,153 NZD
View
A
Retailer 9
-
$1,192 NZD
View
A
Retailer 10
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$1,318 NZD
View
A
Retailer 11
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$1,389 NZD
View
A
Retailer 12
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$1,440 NZD
View
A
Retailer 13
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$1,533 NZD
View
A
Retailer 14
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$1,758 NZD
View
B+
Retailer 15
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$2,010 NZD
View
B+
Retailer 16
-
$2,072 NZD
View
B+
Retailer 17
-
$2,858 NZD
View
B+
Retailer 18
-
$2,877 NZD
View
B+
Retailer 19
-
$2,920 NZD
View
B+
Retailer 20
-
$3,154 NZD
View
B+
Retailer 21
-
$3,271 NZD
View
B
Retailer 22
-
$3,328 NZD
View
B
Retailer 23
-
$3,461 NZD
View
B
Retailer 24
-
$3,906 NZD
View
Most Expensive
B
Brilliant Earth
20205521A · Nov 4
$7,806 NZD
$4,400 USD
View
24 more retailers have this diamond
Prices start from $717 NZDSave up to $7,089 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
$717 NZD