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Round|Lab Grown|IGI

1.51ct E I1 Round Lab Grown Diamond

EX • E/I1 • IGI LG468101086

Certificate IGI LG468101086

Diamond specifications and retailer prices

From $769 NZD
$432 USD
As of October 28, 2026
Save $3,821 NZD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,590 NZD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

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 E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG468101086 or 468101086. Listed at 3 retailers as of October 28, 2026, with prices from $769 to $4,590, a $3,821 spread on the same certified stone. B2C Jewels lists it at $4,590. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG468101086
Dimensions7.38 × 7.42 × 4.48 mm
L/W Ratio1.01
Top View
7.38 mm7.42 mm1.51 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468101086
Side View
Table 56.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,590 NZD|Low: $769 NZD|High: $4,590 NZD|Avg: $2,139 NZD
B2C Jewels
Retailer 2
Retailer 3
October 29, 2026
Retailer 3$769 NZD
Retailer 2$952 NZD
B2C Jewels$4,590 NZD

13 data points across 3 retailers

3 retailers$769 NZD to $4,590 NZD

B+
Cheapest Retailer
-
$769 NZD
$432 USD
B
Retailer 2
-
$952 NZD
€509 EUR
View
Most Expensive
B
B2C Jewels
19375033 · Oct 29
$4,590 NZD
$2,578 USD
View
2 more retailers have this diamond
Prices start from $769 NZDSave up to $3,821 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.

B+
1.51ct Round
$769 NZD