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Round|Lab Grown|IGI

1.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG712551703

Shape and cutting style on the report: Round brilliant

Certificate IGI LG712551703

Diamond specifications and retailer prices

From $763 NZD
$430 USD
As of October 30, 2026
Save $6,796 NZD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,559 NZD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG712551703 or 712551703. Listed at 22 retailers as of October 29, 2026, with prices from $763 to $7,559, a $6,796 spread on the same certified stone. Do Amore Diamonds lists it at $7,559. 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 angle33.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712551703
Dimensions7.36 × 7.41 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.36 mm7.41 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712551703
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

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 30
Current: $7,559 NZD|Low: $562 NZD|High: $7,559 NZD|Avg: $2,673 NZD|+20.3%
Do Amore Diamonds
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 2$763 NZD
Retailer 10$951 NZD
Retailer 5$1,276 NZD
Retailer 15$1,304 NZD
Retailer 4$1,408 NZD
Retailer 9$1,471 NZD
Retailer 3$1,647 NZD
Retailer 12$1,808 NZD
Retailer 14$2,003 NZD
Retailer 11$2,715 NZD
Retailer 17$2,839 NZD
Retailer 6$3,681 NZD
Retailer 16$3,708 NZD
Retailer 18$3,950 NZD
Retailer 8$3,995 NZD
Retailer 7$4,045 NZD
Retailer 13$4,892 NZD
Do Amore Diamonds$7,559 NZD

44 data points across 18 retailers

22 retailers$763 NZD to $7,559 NZD

A
Cheapest Retailer
-
$763 NZD
$430 USD
A
Retailer 2
-
$852 NZD
$480 USD
View
A
Retailer 3
-
$951 NZD
$536 USD
View
Final sale: no returns
Retailer 4
-
$1,056 NZD
$595 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,056 NZD
$595 USD
View
A
Retailer 6
-
$1,276 NZD
$719 USD
View
A
Retailer 7
-
$1,304 NZD
$735 USD
View
A
Retailer 8
-
$1,408 NZD
HK$6,200 HKD
View
A
Retailer 9
-
$1,471 NZD
$829 USD
View
A
Retailer 10
-
$1,647 NZD
$928 USD
View
B+
Retailer 11
-
$1,808 NZD
£802 GBP
View
B+
Retailer 12
-
$2,003 NZD
ZAR 18,241 ZAR
View
B+
Retailer 13
-
$2,715 NZD
A$2,354 AUD
View
B+
Retailer 14
-
$2,839 NZD
$1,600 USD
View
B
Retailer 15
-
$3,066 NZD
$1,728 USD
View
B
Retailer 16
-
$3,681 NZD
$2,075 USD
View
B
Retailer 17
-
$3,708 NZD
$2,090 USD
View
B
Retailer 18
-
$3,950 NZD
$2,226 USD
View
B
Retailer 19
-
$3,995 NZD
$2,252 USD
View
B
Retailer 20
-
$4,045 NZD
SGD 3,081 SGD
View
B
Retailer 21
-
$4,892 NZD
£2,171 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C7713E73C · Oct 29
$7,559 NZD
$4,260 USD
View
21 more retailers have this diamond
Prices start from $763 NZDSave up to $6,796 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
$763 NZD