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Round|Lab Grown|IGI

5.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG618431149

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618431149

Diamond specifications and retailer prices

From $6,445 SGD
£3,960 GBP
As of October 29, 2026
Save $39,862 SGD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $46,308 SGD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 5.05ct lab-grown round diamond

This 5.05ct lab-grown round 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 LG618431149 or 618431149. Listed at 18 retailers as of October 28, 2026, with prices from $6,445 to $46,308, a $39,862 spread on the same certified stone. Do Amore Diamonds lists it at $46,308. 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

5.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618431149
Dimensions10.95 × 11.00 × 6.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
10.95 mm11.00 mm5.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618431149
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $46,308 SGD|Low: $6,415 SGD|High: $47,064 SGD|Avg: $15,788 SGD|-1.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 29, 2026
Retailer 12$6,445 SGD
Retailer 16$6,730 SGD
Retailer 4$7,053 SGD
Retailer 17$7,095 SGD
Retailer 9$7,659 SGD
Retailer 11$7,977 SGD
Retailer 14$7,979 SGD
Retailer 18$9,614 SGD
Retailer 3$10,229 SGD
Retailer 15$12,062 SGD
Retailer 13$14,505 SGD
Retailer 10$14,628 SGD
Retailer 2$17,629 SGD
Retailer 5$17,996 SGD
Retailer 6$18,330 SGD
Retailer 7$25,993 SGD
Retailer 8$33,779 SGD
Do Amore Diamonds$46,308 SGD

39 data points across 18 retailers

18 retailers$6,445 SGD to $46,308 SGD

A+
Cheapest Retailer
-
$6,445 SGD
£3,960 GBP
A
Retailer 2
-
$6,730 SGD
$5,251 USD
View
A
Retailer 3
-
$7,053 SGD
$5,503 USD
View
A
Retailer 4
-
$7,095 SGD
$5,536 USD
View
A
Retailer 5
-
$7,659 SGD
$5,976 USD
View
Final sale: no returns
A
Retailer 6
-
$7,977 SGD
$6,224 USD
View
A
Retailer 7
-
$7,979 SGD
$6,225 USD
View
A
Retailer 8
-
$9,504 SGD
$7,415 USD
View
A
Retailer 9
-
$9,614 SGD
$7,501 USD
View
A
Retailer 10
-
$10,229 SGD
$7,981 USD
View
A
Retailer 11
-
$12,062 SGD
$9,411 USD
View
A
Retailer 12
-
$14,505 SGD
€10,778 EUR
View
A
Retailer 13
-
$17,629 SGD
£10,830 GBP
View
A
Retailer 14
-
$17,996 SGD
$14,041 USD
View
Retailer 15
-
$18,330 SGD
A$22,002 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$25,993 SGD
$20,280 USD
View
Retailer 17
-
$33,779 SGD
A$40,546 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Do Amore Diamonds
27-421C04D3D · Oct 28
$46,308 SGD
$36,130 USD
View
17 more retailers have this diamond
Prices start from $6,445 SGDSave up to $39,862 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+
5.05ct Round
$6,445 SGD