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Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG800678276

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800678276

Diamond specifications and retailer prices

From $484 NZD
As of November 4, 2026
Save $1,754 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,045 NZD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

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 LG800678276 or 800678276. Listed at 14 retailers as of November 4, 2026, with a 362% 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800678276
Dimensions7.01 × 6.96 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.01 mm6.96 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800678276
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.0%

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 4
Current: $4,045 NZD|Low: $433 NZD|High: $4,169 NZD|Avg: $1,351 NZD|-3.0%
Brilliant Earth
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
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Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 4$435 NZD
Retailer 3$484 NZD
Retailer 11$511 NZD
Retailer 8$538 NZD
Retailer 2$866 NZD
Retailer 7$907 NZD
Retailer 15$915 NZD
Retailer 16$922 NZD
Retailer 5$965 NZD
Retailer 14$976 NZD
Retailer 6$1,261 NZD
Retailer 17$1,323 NZD
Retailer 13$1,737 NZD
Retailer 9$1,822 NZD
Retailer 10$1,841 NZD
Retailer 18$2,164 NZD
Retailer 19$2,166 NZD
Retailer 12$2,239 NZD
Brilliant Earth$4,045 NZD

24 data points across 19 retailers

14 retailers$484 NZD to $2,239 NZD

Retailer 1
-
$435 NZD
Price last confirmed 18 days ago
A
Retailer 2
-
$484 NZD
View
Final sale: no returns
Retailer 3
-
$538 NZD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$866 NZD
View
A
Retailer 5
-
$907 NZD
View
Retailer 6
-
$915 NZD
View
Price last confirmed 18 days ago
Retailer 7
-
$1,323 NZD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
$1,737 NZD
View
B+
Retailer 9
-
$1,822 NZD
View
Retailer 10
-
$2,164 NZD
View
Price last confirmed 18 days ago
Retailer 11
-
$2,166 NZD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
$2,239 NZD
View
Retailer 13
-
$2,397 NZD
View
Price last confirmed 100 days ago
Most Expensive
Brilliant Earth
20226232A · Oct 18
$4,045 NZD
$2,280 USD
View
Price last confirmed 17 days ago
13 more retailers have this diamond
Prices start from $484 NZDSave up to $1,754 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
$484 NZD