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Round|Lab Grown|IGI

1.29ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818664674

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818664674

Diamond specifications and retailer prices

From $770 NZD
$434 USD
As of October 28, 2026
Save $4,127 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,897 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818664674 or 818664674. Listed at 24 retailers as of October 28, 2026, with prices from $770 to $4,897, a $4,127 spread on the same certified stone. Brilliant Earth lists it at $4,897. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818664674
Dimensions7.00 × 6.97 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
7.00 mm6.97 mm1.29 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818664674
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,897 NZD|Low: $770 NZD|High: $5,039 NZD|Avg: $1,943 NZD|-2.8%
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
October 30, 2026
Retailer 3$770 NZD
Retailer 11$853 NZD
Retailer 14$853 NZD
Retailer 6$1,243 NZD
Retailer 10$1,313 NZD
Retailer 4$1,359 NZD
Retailer 12$1,384 NZD
Retailer 8$1,384 NZD
Retailer 9$1,468 NZD
Retailer 2$1,544 NZD
Retailer 5$2,071 NZD
Retailer 13$2,812 NZD
Retailer 7$3,355 NZD
Brilliant Earth$4,897 NZD

40 data points across 14 retailers

24 retailers$770 NZD to $4,897 NZD

Retailer 1
-
$678 NZD
$382 USD
Price last confirmed 59 days ago
Retailer 2
-
$690 NZD
$389 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$770 NZD
$434 USD
View
Final sale: no returns
Retailer 4
-
$772 NZD
$435 USD
View
Retailer 5
-
$802 NZD
$452 USD
View
Price last confirmed 38 days ago
Retailer 6
-
$802 NZD
$452 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$853 NZD
$481 USD
View
A
Retailer 8
-
$853 NZD
$481 USD
View
Retailer 9
-
$882 NZD
$497 USD
View
Price last confirmed 31 days ago
Retailer 10
-
$889 NZD
$501 USD
View
Price last confirmed 18 days ago
Retailer 11
-
$889 NZD
$501 USD
View
Price last confirmed 28 days ago
A
Retailer 12
-
$1,243 NZD
A$1,078 AUD
View
A
Retailer 13
-
$1,313 NZD
$740 USD
View
A
Retailer 14
-
$1,359 NZD
$766 USD
View
A
Retailer 15
-
$1,384 NZD
$780 USD
View
A
Retailer 16
-
$1,384 NZD
€743 EUR
View
A
Retailer 17
-
$1,468 NZD
ZAR 13,365 ZAR
View
B+
Retailer 18
-
$1,544 NZD
£685 GBP
View
B+
Retailer 19
-
$2,071 NZD
$1,167 USD
View
Retailer 20
-
$2,292 NZD
$1,292 USD
View
Price last confirmed 44 days ago
B+
Retailer 21
-
$2,812 NZD
$1,585 USD
View
Retailer 22
-
$2,869 NZD
$1,617 USD
View
Price last confirmed 30 days ago
B+
Retailer 23
-
$3,355 NZD
£1,489 GBP
View
Most Expensive
B
Brilliant Earth
21490483A · Oct 29
$4,897 NZD
$2,760 USD
View
23 more retailers have this diamond
Prices start from $770 NZDSave up to $4,127 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
$770 NZD