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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG769628912

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769628912

Diamond specifications and retailer prices

From $1,305 NZD
$733 USD
As of October 29, 2026
Save $7,580 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 LG769628912 or 769628912. Listed at 24 retailers as of October 29, 2026, with prices from $1,305 to $8,885, a $7,580 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 angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769628912
Dimensions7.76 × 7.82 × 4.82 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
7.76 mm7.82 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769628912
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: $1,421 NZD|High: $8,885 NZD|Avg: $3,425 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
October 30, 2026
Retailer 6$1,421 NZD
Retailer 7$1,460 NZD
Retailer 10$1,825 NZD
Retailer 5$1,959 NZD
Retailer 8$2,412 NZD
Retailer 2$2,422 NZD
Retailer 3$2,455 NZD
Retailer 9$2,783 NZD
Retailer 14$3,730 NZD
Retailer 12$3,767 NZD
Retailer 15$4,912 NZD
Retailer 13$4,923 NZD
Retailer 4$5,095 NZD
Retailer 11$5,954 NZD
Brilliant Earth$8,885 NZD

44 data points across 15 retailers

24 retailers$1,305 NZD to $8,885 NZD

A
Cheapest Retailer
-
$1,305 NZD
$733 USD
A
Retailer 2
-
$1,421 NZD
$798 USD
View
A
Retailer 3
-
$1,460 NZD
$820 USD
View
Final sale: no returns
A
Retailer 4
-
$1,513 NZD
$850 USD
View
Retailer 5
-
$1,513 NZD
$850 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,755 NZD
HK$7,700 HKD
View
A
Retailer 7
-
$1,825 NZD
$1,025 USD
View
A
Retailer 8
-
$1,959 NZD
$1,100 USD
View
B+
Retailer 9
-
$2,382 NZD
$1,338 USD
View
B+
Retailer 10
-
$2,412 NZD
€1,290 EUR
View
B+
Retailer 11
-
$2,422 NZD
£1,071 GBP
View
B+
Retailer 12
-
$2,455 NZD
$1,379 USD
View
B+
Retailer 13
-
$2,783 NZD
ZAR 25,255 ZAR
View
B+
Retailer 14
-
$3,730 NZD
$2,095 USD
View
Retailer 15
-
$3,767 NZD
A$3,255 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$4,257 NZD
$2,391 USD
View
B
Retailer 17
-
$4,912 NZD
$2,759 USD
View
B
Retailer 18
-
$4,923 NZD
$2,765 USD
View
B
Retailer 19
-
$5,095 NZD
SGD 3,867 SGD
View
B
Retailer 20
-
$5,119 NZD
$2,875 USD
View
B
Retailer 21
-
$5,155 NZD
$2,895 USD
View
B
Retailer 22
-
$5,219 NZD
$2,931 USD
View
B
Retailer 23
-
$5,954 NZD
£2,633 GBP
View
Most Expensive
B
Brilliant Earth
19056703A · Oct 29
$8,885 NZD
$4,990 USD
View
23 more retailers have this diamond
Prices start from $1,305 NZDSave up to $7,580 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
$1,305 NZD