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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG655411900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655411900

Diamond specifications and retailer prices

From $675 NZD
$379 USD
As of October 29, 2026
Save $3,937 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,611 NZD at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.91ct lab-grown round diamond

This 1.91ct 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 LG655411900 or 655411900. Listed at 19 retailers as of October 25, 2026, with prices from $675 to $4,611, a $3,937 spread on the same certified stone. Rare Carat lists it at $4,611. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655411900
Dimensions7.94 × 7.89 × 4.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.94 mm7.89 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655411900
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

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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 29
Current: $4,611 NZD|Low: $648 NZD|High: $4,701 NZD|Avg: $1,803 NZD|-1.9%
Rare Carat
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
October 30, 2026
Retailer 16$675 NZD
Retailer 5$755 NZD
Retailer 7$755 NZD
Retailer 3$837 NZD
Retailer 13$1,104 NZD
Retailer 15$1,148 NZD
Retailer 2$1,261 NZD
Retailer 6$1,302 NZD
Retailer 12$1,438 NZD
Retailer 9$1,509 NZD
Retailer 10$1,942 NZD
Retailer 14$2,347 NZD
Retailer 8$2,690 NZD
Retailer 4$3,134 NZD
Retailer 11$3,286 NZD
Rare Carat$4,611 NZD

42 data points across 16 retailers

19 retailers$675 NZD to $4,611 NZD

A
Cheapest Retailer
-
$675 NZD
$379 USD
A
Retailer 2
-
$755 NZD
$424 USD
View
A
Retailer 3
-
$755 NZD
$424 USD
View
Final sale: no returns
A
Retailer 4
-
$837 NZD
$470 USD
View
A
Retailer 5
-
$837 NZD
$470 USD
View
A
Retailer 6
-
$1,104 NZD
$620 USD
View
A
Retailer 7
-
$1,148 NZD
$645 USD
View
A
Retailer 8
-
$1,261 NZD
£558 GBP
View
A
Retailer 9
-
$1,302 NZD
$731 USD
View
A
Retailer 10
-
$1,438 NZD
ZAR 13,045 ZAR
View
A
Retailer 11
-
$1,509 NZD
£667 GBP
View
A
Retailer 12
-
$1,942 NZD
A$1,678 AUD
View
B+
Retailer 13
-
$2,347 NZD
$1,318 USD
View
B+
Retailer 14
-
$2,407 NZD
$1,352 USD
View
B+
Retailer 15
-
$2,690 NZD
$1,511 USD
View
B+
Retailer 16
-
$2,758 NZD
$1,549 USD
View
B+
Retailer 17
-
$3,134 NZD
$1,760 USD
View
B+
Retailer 18
-
$3,286 NZD
£1,453 GBP
View
Most Expensive
B
Rare Carat
GD12326_l_655411900 · Oct 25
$4,611 NZD
$2,590 USD
View
18 more retailers have this diamond
Prices start from $675 NZDSave up to $3,937 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
1.91ct Round
$675 NZD