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Cushion|Lab Grown|IGI

6.18ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754594320

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG754594320

Diamond specifications and retailer prices

From $9,934 SGD
$7,771 USD
As of November 1, 2026
Save $50,483 SGD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $60,417 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.18ct lab-grown cushion diamond

This 6.18ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594320 or 754594320. Listed at 13 retailers as of October 31, 2026, with prices from $9,934 to $60,417, a $50,483 spread on the same certified stone. Do Amore Diamonds lists it at $60,417. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594320
Dimensions10.87 × 10.50 × 7.01 mm
L/W Ratio1.04
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
10.87 mm10.50 mm6.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594320
Side View
Table 61.0%Crown 33.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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: Nov 1
Current: $60,417 SGD|Low: $8,679 SGD|High: $67,704 SGD|Avg: $29,913 SGD|-10.8%
Do Amore Diamonds
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
November 1, 2026
Retailer 15$9,934 SGD
Retailer 5$11,100 SGD
Retailer 16$11,154 SGD
Retailer 14$13,005 SGD
Retailer 3$13,570 SGD
Retailer 4$20,771 SGD
Retailer 12$21,121 SGD
Retailer 10$22,572 SGD
Retailer 13$22,768 SGD
Retailer 2$23,548 SGD
Retailer 8$25,367 SGD
Retailer 17$31,231 SGD
Retailer 11$41,425 SGD
Retailer 7$43,718 SGD
Retailer 9$54,297 SGD
Retailer 6$58,849 SGD
Do Amore Diamonds$60,417 SGD

33 data points across 17 retailers

13 retailers$9,934 SGD to $60,417 SGD

A
Cheapest Retailer
-
$9,934 SGD
$7,771 USD
A
Retailer 2
-
$11,100 SGD
$8,683 USD
View
Final sale: no returns
A
Retailer 3
-
$11,154 SGD
$8,725 USD
View
A
Retailer 4
-
$13,005 SGD
$10,173 USD
View
Retailer 5
-
$13,570 SGD
$10,615 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$20,771 SGD
$16,248 USD
View
A
Retailer 7
-
$21,121 SGD
€15,735 EUR
View
A
Retailer 8
-
$22,572 SGD
£13,903 GBP
View
A
Retailer 9
-
$22,768 SGD
$17,810 USD
View
B+
Retailer 10
-
$23,548 SGD
A$28,338 AUD
View
B+
Retailer 11
-
$31,231 SGD
$24,430 USD
View
B
Retailer 12
-
$41,425 SGD
A$49,852 AUD
View
Most Expensive
B
Do Amore Diamonds
27-DCAF6E4E6 · Oct 31
$60,417 SGD
$47,260 USD
View
12 more retailers have this diamond
Prices start from $9,934 SGDSave up to $50,483 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
6.18ct Cushion
$9,934 SGD