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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG713560121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG713560121

Diamond specifications and retailer prices

From $465 NZD
As of November 3, 2026
Save $2,003 NZD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,467 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG713560121 or 713560121. Listed at 23 retailers as of November 3, 2026, with prices from $465 to $2,467, a $2,003 spread on the same certified stone. Reve Diamonds lists it at $2,467. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713560121
Dimensions6.99 × 6.96 × 4.32 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
6.99 mm6.96 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713560121
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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: Nov 3
Current: $1,087 NZD|Low: $520 NZD|High: $2,467 NZD|Avg: $1,379 NZD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 5, 2026
Retailer 3$520 NZD
Retailer 7$577 NZD
Retailer 6$860 NZD
Retailer 11$956 NZD
Retailer 1$1,087 NZD
Retailer 2$1,158 NZD
Retailer 10$1,290 NZD
Retailer 5$1,412 NZD
Retailer 9$1,769 NZD
Retailer 8$2,209 NZD
Retailer 4$2,301 NZD
Reve Diamonds$2,467 NZD

33 data points across 12 retailers

23 retailers$465 NZD to $2,467 NZD

Retailer 1
-
$445 NZD
Price last confirmed 35 days ago
Retailer 2
-
$465 NZD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$465 NZD
View
Retailer 4
-
$465 NZD
View
Price last confirmed 14 days ago
Retailer 5
-
$465 NZD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$520 NZD
View
Final sale: no returns
Retailer 7
-
$539 NZD
View
Price last confirmed 44 days ago
Retailer 8
-
$539 NZD
View
Price last confirmed 27 days ago
Retailer 9
-
$568 NZD
View
Price last confirmed 44 days ago
Retailer 10
-
$577 NZD
View
Price last confirmed 20 days ago
A
Retailer 11
-
$860 NZD
View
A
Retailer 12
-
$956 NZD
View
A
Retailer 13
-
$1,087 NZD
View
Retailer 14
-
$1,158 NZD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$1,290 NZD
View
A
Retailer 16
-
$1,412 NZD
View
B+
Retailer 17
-
$1,769 NZD
View
Retailer 18
-
$1,852 NZD
View
Price last confirmed 9 days ago
Retailer 19
-
$1,852 NZD
View
Price last confirmed 45 days ago
B+
Retailer 20
-
$1,941 NZD
View
Retailer 21
-
$2,209 NZD
View
Price last confirmed 18 days ago
B+
Retailer 22
-
$2,301 NZD
View
Most Expensive
B
Reve Diamonds
CB6CF838C · Nov 4
$2,467 NZD
$1,391 USD
View
22 more retailers have this diamond
Prices start from $465 NZDSave up to $2,003 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
1.28ct Round
$465 NZD