Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG837616914

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

Certificate IGI LG837616914

Diamond specifications and retailer prices

From $972 NZD
$548 USD
As of November 1, 2026
Save $4,885 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,857 NZD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct 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 LG837616914 or 837616914. Listed at 14 retailers as of October 30, 2026, with prices from $972 to $5,857, a $4,885 spread on the same certified stone. Yadav Diamonds lists it at $5,857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837616914
Dimensions8.09 × 5.64 × 4.01 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.64 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837616914
Side View
Table 69.0%Crown 38.8°Girdle: MED-STKPavilion 38°Culet: NoneDepth 71.1%

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 1
Current: $5,500 NZD|Low: $601 NZD|High: $6,157 NZD|Avg: $1,921 NZD|-10.7%
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
Retailer 20
Yadav Diamonds
October 30, 2026
Retailer 11$601 NZD
Retailer 4$614 NZD
Retailer 17$639 NZD
Retailer 5$896 NZD
Retailer 18$958 NZD
Retailer 16$972 NZD
Retailer 19$1,047 NZD
Retailer 6$1,067 NZD
Retailer 8$1,134 NZD
Retailer 15$1,297 NZD
Retailer 20$1,790 NZD
Retailer 10$2,061 NZD
Retailer 12$2,139 NZD
Retailer 13$2,154 NZD
Retailer 9$2,488 NZD
Retailer 7$2,502 NZD
Retailer 14$2,525 NZD
Retailer 2$2,550 NZD
Retailer 3$2,564 NZD
Retailer 1$5,500 NZD
Yadav Diamonds$5,857 NZD

12 data points across 21 retailers

14 retailers$972 NZD to $5,857 NZD

Retailer 1
-
$476 NZD
$268 USD
Price last confirmed 30 days ago
Retailer 2
-
$605 NZD
$341 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$639 NZD
£284 GBP
View
Price last confirmed 29 days ago
A
Retailer 4
-
$972 NZD
$548 USD
View
Retailer 5
-
$1,047 NZD
ZAR 9,533 ZAR
View
Price last confirmed 30 days ago
Retailer 6
-
$1,134 NZD
$639 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$1,297 NZD
$731 USD
View
Retailer 8
-
$1,971 NZD
$1,111 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$2,139 NZD
CA$1,674 CAD
View
Retailer 10
-
$2,488 NZD
£1,104 GBP
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$2,525 NZD
$1,423 USD
View
Retailer 12
-
$2,550 NZD
A$2,211 AUD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$5,500 NZD
$3,100 USD
View
Most Expensive
B
Yadav Diamonds
13312108 · Oct 30
$5,857 NZD
$3,301 USD
View
13 more retailers have this diamond
Prices start from $972 NZDSave up to $4,885 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 Radiant
$972 NZD