CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG761554233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761554233

Diamond specifications and retailer prices

From $676 NZD
$381 USD
As of October 29, 2026
Save $4,372 NZD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,048 NZD at Queensmith · As of October 27, 2026
View at Queensmith

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761554233 or 761554233. Listed at 24 retailers as of October 27, 2026, with prices from $676 to $5,048, a $4,372 spread on the same certified stone. Queensmith lists it at $5,048. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554233
Dimensions7.37 × 7.39 × 4.47 mm
L/W Ratio1.00
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
7.37 mm7.39 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554233
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.5%

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: Oct 29
Current: $1,514 NZD|Low: $649 NZD|High: $3,841 NZD|Avg: $1,655 NZD|+5.2%
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
October 30, 2026
Retailer 18$676 NZD
Retailer 6$758 NZD
Retailer 8$758 NZD
Retailer 2$839 NZD
Retailer 9$839 NZD
Retailer 15$1,100 NZD
Retailer 10$1,127 NZD
Retailer 5$1,272 NZD
Retailer 14$1,442 NZD
Retailer 13$1,472 NZD
Retailer 1$1,514 NZD
Retailer 11$1,947 NZD
Retailer 17$2,010 NZD
Retailer 4$2,672 NZD
Retailer 7$2,697 NZD
Retailer 3$3,141 NZD
Retailer 12$3,294 NZD
Retailer 16$3,824 NZD

42 data points across 18 retailers

24 retailers$676 NZD to $5,048 NZD

A
Cheapest Retailer
-
$676 NZD
$381 USD
A
Retailer 2
-
$758 NZD
$427 USD
View
Final sale: no returns
A
Retailer 3
-
$758 NZD
$427 USD
View
A
Retailer 4
-
$839 NZD
$473 USD
View
A
Retailer 5
-
$839 NZD
$473 USD
View
A
Retailer 6
-
$931 NZD
HK$4,100 HKD
View
A
Retailer 7
-
$1,100 NZD
$620 USD
View
A
Retailer 8
-
$1,127 NZD
$635 USD
View
A
Retailer 9
-
$1,272 NZD
$717 USD
View
A
Retailer 10
-
$1,442 NZD
ZAR 13,126 ZAR
View
A
Retailer 11
-
$1,472 NZD
€790 EUR
View
A
Retailer 12
-
$1,514 NZD
£672 GBP
View
A
Retailer 13
-
$1,599 NZD
$901 USD
View
B+
Retailer 14
-
$1,947 NZD
A$1,688 AUD
View
B+
Retailer 15
-
$2,010 NZD
$1,133 USD
View
B+
Retailer 16
-
$2,672 NZD
SGD 2,035 SGD
View
B+
Retailer 17
-
$2,697 NZD
$1,520 USD
View
B+
Retailer 18
-
$2,699 NZD
$1,521 USD
View
B+
Retailer 19
-
$2,764 NZD
$1,558 USD
View
B
Retailer 20
-
$3,141 NZD
$1,770 USD
View
B
Retailer 21
-
$3,144 NZD
$1,772 USD
View
B+
Retailer 22
-
$3,294 NZD
£1,462 GBP
View
Retailer 23
-
$3,824 NZD
$2,155 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Queensmith
LG761554233 · Oct 27
$5,048 NZD
£2,240 GBP
View
23 more retailers have this diamond
Prices start from $676 NZDSave up to $4,372 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
$676 NZD