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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG728577513

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728577513

Diamond specifications and retailer prices

From $385 NZD
As of November 4, 2026
Save $1,770 NZD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,155 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.29ct lab-grown round diamond

This 1.29ct 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 LG728577513 or 728577513. Listed at 21 retailers as of November 1, 2026, with prices from $385 to $2,155, a $1,770 spread on the same certified stone. Rare Carat lists it at $2,155. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728577513
Dimensions7.00 × 6.97 × 4.29 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
7.00 mm6.97 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728577513
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.5%

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: Nov 4
Current: $2,155 NZD|Low: $385 NZD|High: $2,173 NZD|Avg: $1,175 NZD|-0.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 12$385 NZD
Retailer 10$594 NZD
Retailer 2$687 NZD
Retailer 8$734 NZD
Retailer 6$766 NZD
Retailer 3$867 NZD
Retailer 7$1,038 NZD
Retailer 4$1,265 NZD
Retailer 11$1,375 NZD
Retailer 5$1,465 NZD
Retailer 9$1,992 NZD
Retailer 13$2,081 NZD
Rare Carat$2,155 NZD

41 data points across 13 retailers

21 retailers$385 NZD to $2,155 NZD

Retailer 1
-
$330 NZD
Price last confirmed 28 days ago
Retailer 2
-
$367 NZD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$385 NZD
View
Final sale: no returns
Retailer 4
-
$426 NZD
View
Price last confirmed 44 days ago
Retailer 5
-
$426 NZD
View
Price last confirmed 34 days ago
Retailer 6
-
$426 NZD
View
Price last confirmed 28 days ago
Retailer 7
-
$451 NZD
View
Price last confirmed 44 days ago
B+
Retailer 8
-
$594 NZD
View
A
Retailer 9
-
$687 NZD
View
A
Retailer 10
-
$734 NZD
View
A
Retailer 11
-
$766 NZD
View
A
Retailer 12
-
$867 NZD
View
A
Retailer 13
-
$1,038 NZD
View
A
Retailer 14
-
$1,265 NZD
View
Retailer 15
-
$1,370 NZD
View
Price last confirmed 33 days ago
A
Retailer 16
-
$1,375 NZD
View
Retailer 17
-
$1,465 NZD
View
Price last confirmed 45 days ago
B+
Retailer 18
-
$1,465 NZD
View
B+
Retailer 19
-
$1,992 NZD
View
B+
Retailer 20
-
$2,081 NZD
View
Most Expensive
B+
Rare Carat
GD17591_l_728577513 · Nov 1
$2,155 NZD
$1,215 USD
View
20 more retailers have this diamond
Prices start from $385 NZDSave up to $1,770 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
1.29ct Round
$385 NZD