CaratHunter
Plans
Cushion|Lab Grown|IGI

1.73ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG598342461

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG598342461

Diamond specifications and retailer prices

From $707 SGD
$552 USD
As of October 28, 2026
Save $4,060 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,768 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion 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 LG598342461 or 598342461. Listed at 15 retailers as of October 28, 2026, with prices from $707 to $4,768, a $4,060 spread on the same certified stone. Brilliant Earth lists it at $4,768. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598342461
Dimensions7.87 × 6.45 × 4.49 mm
L/W Ratio1.22
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
7.87 mm6.45 mm1.73 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598342461
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 69.6%

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 28
Current: $4,768 SGD|Low: $707 SGD|High: $4,909 SGD|Avg: $1,766 SGD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$707 SGD
Retailer 12$784 SGD
Retailer 8$840 SGD
Retailer 11$1,051 SGD
Retailer 2$1,300 SGD
Retailer 5$1,322 SGD
Retailer 6$1,348 SGD
Retailer 4$1,747 SGD
Retailer 10$1,774 SGD
Retailer 9$1,839 SGD
Retailer 7$3,278 SGD
Brilliant Earth$4,768 SGD

41 data points across 12 retailers

15 retailers$707 SGD to $4,768 SGD

A
Cheapest Retailer
-
$707 SGD
$552 USD
Final sale: no returns
Retailer 2
-
$784 SGD
$612 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$840 SGD
$655 USD
View
A
Retailer 4
-
$1,051 SGD
$820 USD
View
A
Retailer 5
-
$1,300 SGD
£799 GBP
View
A
Retailer 6
-
$1,322 SGD
€982 EUR
View
A
Retailer 7
-
$1,348 SGD
ZAR 16,985 ZAR
View
A
Retailer 8
-
$1,747 SGD
$1,363 USD
View
A
Retailer 9
-
$1,774 SGD
$1,384 USD
View
Retailer 10
-
$1,839 SGD
A$2,208 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,555 SGD
$1,994 USD
View
B+
Retailer 12
-
$2,730 SGD
$2,130 USD
View
B+
Retailer 13
-
$3,278 SGD
£2,014 GBP
View
Retailer 14
-
$4,255 SGD
$3,320 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21311625A · Oct 29
$4,768 SGD
$3,720 USD
View
14 more retailers have this diamond
Prices start from $707 SGDSave up to $4,060 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
1.73ct Cushion
$707 SGD