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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG779641877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779641877

Diamond specifications and retailer prices

From $1,314 NZD
$738 USD
As of October 29, 2026
Save $7,571 NZD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,885 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779641877 or 779641877. Listed at 24 retailers as of October 29, 2026, with prices from $1,314 to $8,885, a $7,571 spread on the same certified stone. Brilliant Earth lists it at $8,885. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779641877
Dimensions7.77 × 7.82 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.77 mm7.82 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779641877
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: Oct 29
Current: $8,885 NZD|Low: $1,262 NZD|High: $8,885 NZD|Avg: $3,137 NZD|+0.2%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$1,314 NZD
Retailer 8$1,430 NZD
Retailer 10$1,471 NZD
Retailer 4$1,524 NZD
Retailer 11$1,524 NZD
Retailer 15$1,843 NZD
Retailer 7$1,969 NZD
Retailer 13$2,427 NZD
Retailer 2$2,439 NZD
Retailer 5$2,468 NZD
Retailer 14$2,802 NZD
Retailer 18$3,755 NZD
Retailer 16$3,793 NZD
Retailer 9$4,286 NZD
Retailer 17$4,923 NZD
Retailer 3$4,946 NZD
Retailer 6$5,125 NZD
Retailer 12$6,017 NZD
Brilliant Earth$8,885 NZD

45 data points across 19 retailers

24 retailers$1,314 NZD to $8,885 NZD

A
Cheapest Retailer
-
$1,314 NZD
$738 USD
A
Retailer 2
-
$1,430 NZD
$803 USD
View
A
Retailer 3
-
$1,471 NZD
$826 USD
View
Final sale: no returns
Retailer 4
-
$1,524 NZD
$856 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,524 NZD
$856 USD
View
A
Retailer 6
-
$1,778 NZD
HK$7,800 HKD
View
A
Retailer 7
-
$1,843 NZD
$1,035 USD
View
A
Retailer 8
-
$1,969 NZD
$1,106 USD
View
B+
Retailer 9
-
$2,386 NZD
$1,340 USD
View
B+
Retailer 10
-
$2,427 NZD
€1,298 EUR
View
B+
Retailer 11
-
$2,439 NZD
£1,078 GBP
View
B+
Retailer 12
-
$2,468 NZD
$1,386 USD
View
B+
Retailer 13
-
$2,802 NZD
ZAR 25,422 ZAR
View
B+
Retailer 14
-
$3,755 NZD
$2,109 USD
View
Retailer 15
-
$3,793 NZD
A$3,277 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$4,286 NZD
$2,407 USD
View
B
Retailer 17
-
$4,923 NZD
$2,765 USD
View
B
Retailer 18
-
$4,946 NZD
$2,778 USD
View
B
Retailer 19
-
$5,125 NZD
SGD 3,890 SGD
View
B
Retailer 20
-
$5,153 NZD
$2,894 USD
View
B
Retailer 21
-
$5,182 NZD
$2,910 USD
View
B
Retailer 22
-
$5,255 NZD
$2,951 USD
View
B
Retailer 23
-
$6,017 NZD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
19067109A · Oct 29
$8,885 NZD
$4,990 USD
View
23 more retailers have this diamond
Prices start from $1,314 NZDSave up to $7,571 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
1.80ct Round
$1,314 NZD