CaratHunter
Plans
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 $589 SGD
$461 USD
As of October 30, 2026
Save $5,227 SGD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,817 SGD 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 $589 to $5,817, a $5,227 spread on the same certified stone. Brilliant Earth lists it at $5,817. 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

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 30
Current: $4,935 SGD|Low: $589 SGD|High: $7,338 SGD|Avg: $2,342 SGD|-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$589 SGD
Retailer 6$653 SGD
Retailer 15$765 SGD
Retailer 4$884 SGD
Retailer 2$940 SGD
Retailer 19$982 SGD
Retailer 13$1,033 SGD
Retailer 16$1,194 SGD
Retailer 18$1,239 SGD
Retailer 17$1,313 SGD
Retailer 3$1,585 SGD
Retailer 9$1,692 SGD
Retailer 11$2,104 SGD
Retailer 12$2,358 SGD
Retailer 7$2,379 SGD
Retailer 21$2,444 SGD
Retailer 8$2,550 SGD
Retailer 10$2,663 SGD
Retailer 14$4,155 SGD
Retailer 20$4,679 SGD
Brilliant Earth$4,935 SGD

30 data points across 21 retailers

24 retailers$589 SGD to $5,817 SGD

A
Cheapest Retailer
-
$589 SGD
$461 USD
Final sale: no returns
A
Retailer 2
-
$653 SGD
$511 USD
View
A
Retailer 3
-
$765 SGD
£471 GBP
View
A
Retailer 4
-
$884 SGD
HK$5,400 HKD
View
A
Retailer 5
-
$940 SGD
$735 USD
View
A
Retailer 6
-
$982 SGD
$768 USD
View
A
Retailer 7
-
$1,033 SGD
$808 USD
View
A
Retailer 8
-
$1,194 SGD
£735 GBP
View
A
Retailer 9
-
$1,239 SGD
ZAR 15,659 ZAR
View
A
Retailer 10
-
$1,313 SGD
€978 EUR
View
A
Retailer 11
-
$1,585 SGD
$1,240 USD
View
Retailer 12
-
$1,692 SGD
A$2,036 AUD
View
Price last confirmed 11 days ago
Retailer 13
-
$2,104 SGD
£1,296 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$2,358 SGD
$1,845 USD
View
A
Retailer 15
-
$2,379 SGD
$1,861 USD
View
A
Retailer 16
-
$2,421 SGD
$1,894 USD
View
B+
Retailer 17
-
$2,444 SGD
$1,912 USD
View
B+
Retailer 18
-
$2,550 SGD
View
Retailer 19
-
$2,663 SGD
£1,640 GBP
View
Price last confirmed 9 days ago
Retailer 20
-
$4,155 SGD
$3,250 USD
View
Price last confirmed 26 days ago
B
Retailer 21
-
$4,546 SGD
£2,800 GBP
View
B
Retailer 22
-
$4,679 SGD
$3,660 USD
View
B
Retailer 23
-
$4,935 SGD
$3,860 USD
View
Most Expensive
B
Brilliant Earth
16791955A · Oct 24
$5,817 SGD
$4,550 USD
View
23 more retailers have this diamond
Prices start from $589 SGDSave up to $5,227 SGD

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
$589 SGD