CaratHunter
Plans
Round|Lab Grown|IGI

1.89ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG778691335

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778691335

Diamond specifications and retailer prices

From $1,159 NZD
$651 USD
As of October 29, 2026
Save $8,153 NZD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,312 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown round diamond

This 1.89ct 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 LG778691335 or 778691335. Listed at 23 retailers as of October 29, 2026, with prices from $1,159 to $9,312, a $8,153 spread on the same certified stone. Brilliant Earth lists it at $9,312. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778691335
Dimensions7.89 × 7.94 × 4.90 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
7.89 mm7.94 mm1.89 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778691335
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: Oct 29
Current: $9,312 NZD|Low: $1,296 NZD|High: $9,312 NZD|Avg: $3,379 NZD
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 6$1,296 NZD
Retailer 11$1,665 NZD
Retailer 4$1,805 NZD
Retailer 2$2,142 NZD
Retailer 8$2,189 NZD
Retailer 14$2,195 NZD
Retailer 9$2,470 NZD
Retailer 10$3,345 NZD
Retailer 12$3,435 NZD
Retailer 13$4,341 NZD
Retailer 3$4,535 NZD
Retailer 5$4,914 NZD
Retailer 7$5,694 NZD
Brilliant Earth$9,312 NZD

44 data points across 14 retailers

23 retailers$1,159 NZD to $9,312 NZD

A
Cheapest Retailer
-
$1,159 NZD
$651 USD
A
Retailer 2
-
$1,261 NZD
$708 USD
View
A
Retailer 3
-
$1,296 NZD
$728 USD
View
Final sale: no returns
Retailer 4
-
$1,344 NZD
$755 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,344 NZD
$755 USD
View
A
Retailer 6
-
$1,573 NZD
HK$6,900 HKD
View
A
Retailer 7
-
$1,665 NZD
$935 USD
View
A
Retailer 8
-
$1,805 NZD
$1,014 USD
View
A
Retailer 9
-
$2,142 NZD
£947 GBP
View
A
Retailer 10
-
$2,189 NZD
€1,171 EUR
View
A
Retailer 11
-
$2,195 NZD
$1,233 USD
View
B+
Retailer 12
-
$2,470 NZD
ZAR 22,413 ZAR
View
B+
Retailer 13
-
$2,527 NZD
$1,419 USD
View
Retailer 14
-
$3,345 NZD
A$2,890 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$3,435 NZD
$1,929 USD
View
B+
Retailer 16
-
$3,780 NZD
$2,123 USD
View
B+
Retailer 17
-
$4,341 NZD
$2,438 USD
View
B
Retailer 18
-
$4,535 NZD
SGD 3,442 SGD
View
B
Retailer 19
-
$4,587 NZD
$2,576 USD
View
B
Retailer 20
-
$4,639 NZD
$2,605 USD
View
B
Retailer 21
-
$4,688 NZD
$2,633 USD
View
B
Retailer 22
-
$5,694 NZD
£2,518 GBP
View
Most Expensive
B
Brilliant Earth
19064225A · Oct 29
$9,312 NZD
$5,230 USD
View
22 more retailers have this diamond
Prices start from $1,159 NZDSave up to $8,153 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
1.89ct Round
$1,159 NZD