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Heart|Lab Grown|IGI

1.61ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG677533550

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677533550

Diamond specifications and retailer prices

From $660 SGD
$516 USD
As of October 30, 2026
Save $5,323 SGD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,983 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown heart diamond

This 1.61ct lab-grown heart 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 LG677533550 or 677533550. Listed at 26 retailers as of October 30, 2026, with prices from $660 to $5,983, a $5,323 spread on the same certified stone. Brilliant Earth lists it at $5,983. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677533550
Dimensions7.51 × 8.01 × 4.61 mm
L/W Ratio1.07
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
7.51 mm8.01 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677533550
Side View
Table 54.0%Crown 36.7°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.6%

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: $5,983 SGD|Low: $634 SGD|High: $5,983 SGD|Avg: $1,988 SGD
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
October 31, 2026
Retailer 5$660 SGD
Retailer 9$739 SGD
Retailer 7$818 SGD
Retailer 13$868 SGD
Retailer 16$997 SGD
Retailer 4$1,099 SGD
Retailer 2$1,193 SGD
Retailer 3$1,212 SGD
Retailer 14$1,268 SGD
Retailer 15$1,407 SGD
Retailer 11$1,799 SGD
Retailer 12$1,906 SGD
Retailer 8$2,153 SGD
Retailer 6$2,834 SGD
Retailer 17$3,422 SGD
Retailer 10$4,616 SGD
Brilliant Earth$5,983 SGD

35 data points across 17 retailers

26 retailers$660 SGD to $5,983 SGD

A
Cheapest Retailer
-
$660 SGD
$516 USD
A
Retailer 2
-
$739 SGD
$578 USD
View
Final sale: no returns
A
Retailer 3
-
$739 SGD
$578 USD
View
A
Retailer 4
-
$818 SGD
$640 USD
View
Retailer 5
-
$818 SGD
$640 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$868 SGD
£535 GBP
View
A
Retailer 7
-
$997 SGD
$780 USD
View
A
Retailer 8
-
$1,099 SGD
$860 USD
View
A
Retailer 9
-
$1,106 SGD
$865 USD
View
A
Retailer 10
-
$1,193 SGD
€889 EUR
View
A
Retailer 11
-
$1,212 SGD
A$1,458 AUD
View
A
Retailer 12
-
$1,268 SGD
£781 GBP
View
A
Retailer 13
-
$1,407 SGD
ZAR 17,781 ZAR
View
B+
Retailer 14
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$1,540 SGD
$1,205 USD
View
B+
Retailer 15
-
$1,799 SGD
$1,407 USD
View
B+
Retailer 16
-
$1,906 SGD
A$2,294 AUD
View
B+
Retailer 17
-
$1,915 SGD
$1,498 USD
View
B+
Retailer 18
-
$2,153 SGD
$1,684 USD
View
B+
Retailer 19
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$2,663 SGD
$2,083 USD
View
B+
Retailer 20
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$2,688 SGD
$2,103 USD
View
B
Retailer 21
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$2,817 SGD
$2,204 USD
View
B
Retailer 22
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$2,834 SGD
$2,217 USD
View
B
Retailer 23
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$3,008 SGD
$2,353 USD
View
B+
Retailer 24
-
$3,422 SGD
£2,108 GBP
View
B
Retailer 25
-
$4,616 SGD
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
13232930A · Oct 31
$5,983 SGD
$4,680 USD
View
25 more retailers have this diamond
Prices start from $660 SGDSave up to $5,323 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
1.61ct Heart
$660 SGD