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Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729571877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729571877

Diamond specifications and retailer prices

From $383 NZD
As of November 3, 2026
Save $2,544 NZD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,055 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown round diamond

This 1.27ct 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 LG729571877 or 729571877. Listed at 23 retailers as of November 3, 2026, with a 664% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729571877
Dimensions6.91 × 6.99 × 4.29 mm
L/W Ratio1.01
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
6.91 mm6.99 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729571877
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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: $869 NZD|Low: $367 NZD|High: $4,364 NZD|Avg: $1,182 NZD|-14.3%
Retailer 1
Retailer 2
Retailer 3
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Retailer 21
November 5, 2026
Retailer 20$383 NZD
Retailer 19$428 NZD
Retailer 13$444 NZD
Retailer 3$475 NZD
Retailer 4$475 NZD
Retailer 21$522 NZD
Retailer 7$639 NZD
Retailer 16$820 NZD
Retailer 15$864 NZD
Retailer 1$869 NZD
Retailer 6$908 NZD
Retailer 5$1,242 NZD
Retailer 9$1,527 NZD
Retailer 12$1,533 NZD
Retailer 14$1,536 NZD
Retailer 2$1,620 NZD
Retailer 10$1,630 NZD
Retailer 17$1,904 NZD
Retailer 18$2,138 NZD
Retailer 8$2,207 NZD
Retailer 11$2,927 NZD

43 data points across 21 retailers

23 retailers$383 NZD to $2,927 NZD

A+
Cheapest Retailer
-
$383 NZD
A
Retailer 2
-
$428 NZD
View
Final sale: no returns
A
Retailer 3
-
$444 NZD
View
Retailer 4
-
$475 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$475 NZD
View
A
Retailer 6
-
$522 NZD
View
B+
Retailer 7
-
$639 NZD
View
A
Retailer 8
-
$820 NZD
View
A
Retailer 9
-
$864 NZD
View
A
Retailer 10
-
$869 NZD
View
A
Retailer 11
-
$908 NZD
View
A
Retailer 12
-
$1,242 NZD
View
A
Retailer 13
-
$1,245 NZD
View
A
Retailer 14
-
$1,527 NZD
View
B+
Retailer 15
-
$1,533 NZD
View
B+
Retailer 16
-
$1,536 NZD
View
B+
Retailer 17
-
$1,620 NZD
View
B+
Retailer 18
-
$1,630 NZD
View
B+
Retailer 19
-
$1,904 NZD
View
B+
Retailer 20
-
$2,138 NZD
View
B+
Retailer 21
-
$2,207 NZD
View
B+
Retailer 22
-
$2,927 NZD
View
Most Expensive
Queensmith
LG729571877 · Oct 27
$4,055 NZD
£1,800 GBP
View
Price last confirmed 8 days ago
22 more retailers have this diamond
Prices start from $383 NZDSave up to $2,544 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+
1.27ct Round
$383 NZD