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Cushion|Lab Grown|IGI

1.91ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754576187

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754576187

Diamond specifications and retailer prices

From $818 NZD
$461 USD
As of October 30, 2026
Save $7,255 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,073 NZD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.91ct lab-grown cushion diamond

This 1.91ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754576187 or 754576187. Listed at 24 retailers as of October 24, 2026, with prices from $818 to $8,073, a $7,255 spread on the same certified stone. Brilliant Earth lists it at $8,073. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754576187
Dimensions8.15 × 6.92 × 4.56 mm
L/W Ratio1.18
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
8.15 mm6.92 mm1.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754576187
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 65.9%

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 30
Current: $6,849 NZD|Low: $818 NZD|High: $10,184 NZD|Avg: $3,229 NZD|-30.7%
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
Retailer 20
Retailer 21
October 31, 2026
Retailer 5$818 NZD
Retailer 6$907 NZD
Retailer 17$1,061 NZD
Retailer 4$1,226 NZD
Retailer 15$1,304 NZD
Retailer 19$1,363 NZD
Retailer 16$1,434 NZD
Retailer 13$1,657 NZD
Retailer 18$1,720 NZD
Retailer 2$1,811 NZD
Retailer 3$2,200 NZD
Retailer 9$2,348 NZD
Retailer 11$2,920 NZD
Retailer 12$3,273 NZD
Retailer 7$3,302 NZD
Retailer 21$3,392 NZD
Retailer 8$3,538 NZD
Retailer 10$3,696 NZD
Retailer 14$5,766 NZD
Retailer 20$6,494 NZD
Brilliant Earth$6,849 NZD

30 data points across 21 retailers

24 retailers$818 NZD to $8,073 NZD

A
Cheapest Retailer
-
$818 NZD
$461 USD
Final sale: no returns
A
Retailer 2
-
$907 NZD
$511 USD
View
A
Retailer 3
-
$1,061 NZD
£471 GBP
View
A
Retailer 4
-
$1,226 NZD
HK$5,400 HKD
View
A
Retailer 5
-
$1,304 NZD
$735 USD
View
A
Retailer 6
-
$1,363 NZD
$768 USD
View
A
Retailer 7
-
$1,434 NZD
$808 USD
View
A
Retailer 8
-
$1,657 NZD
£735 GBP
View
A
Retailer 9
-
$1,720 NZD
ZAR 15,659 ZAR
View
A
Retailer 10
-
$1,811 NZD
€972 EUR
View
A
Retailer 11
-
$2,200 NZD
$1,240 USD
View
Retailer 12
-
$2,348 NZD
A$2,036 AUD
View
Price last confirmed 11 days ago
Retailer 13
-
$2,920 NZD
£1,296 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$3,273 NZD
$1,845 USD
View
A
Retailer 15
-
$3,302 NZD
$1,861 USD
View
A
Retailer 16
-
$3,361 NZD
$1,894 USD
View
B+
Retailer 17
-
$3,392 NZD
$1,912 USD
View
B+
Retailer 18
-
$3,538 NZD
SGD 2,695 SGD
View
Retailer 19
-
$3,696 NZD
£1,640 GBP
View
Price last confirmed 10 days ago
Retailer 20
-
$5,766 NZD
$3,250 USD
View
Price last confirmed 26 days ago
B
Retailer 21
-
$6,309 NZD
£2,800 GBP
View
B
Retailer 22
-
$6,494 NZD
$3,660 USD
View
B
Retailer 23
-
$6,849 NZD
$3,860 USD
View
Most Expensive
B
Brilliant Earth
16791955A · Oct 24
$8,073 NZD
$4,550 USD
View
23 more retailers have this diamond
Prices start from $818 NZDSave up to $7,255 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 Cushion
$818 NZD