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Radiant|Lab Grown|IGI

5.10ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG754561978

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754561978

Diamond specifications and retailer prices

From $10,058 SGD
$7,868 USD
As of October 30, 2026
Save $28,112 SGD (74%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $38,171 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.1ct lab-grown radiant diamond

This 5.1ct lab-grown radiant 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 LG754561978 or 754561978. Listed at 23 retailers as of October 30, 2026, with prices from $10,058 to $38,171, a $28,112 spread on the same certified stone. Taylor and Hart lists it at $38,171. 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

5.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754561978
Dimensions12.47 × 8.54 × 5.47 mm
L/W Ratio1.46
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
12.47 mm8.54 mm5.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754561978
Side View
Table 66.0%Crown 40.6°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 64.1%

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: $10,460 SGD|Low: $10,058 SGD|High: $38,171 SGD|Avg: $20,389 SGD|-15.1%
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 5$10,058 SGD
Retailer 3$10,361 SGD
Retailer 1$10,460 SGD
Retailer 14$11,265 SGD
Retailer 9$11,667 SGD
Retailer 21$11,697 SGD
Retailer 17$12,008 SGD
Retailer 2$12,978 SGD
Retailer 11$13,121 SGD
Retailer 7$13,317 SGD
Retailer 16$13,506 SGD
Retailer 13$13,679 SGD
Retailer 19$14,271 SGD
Retailer 10$16,716 SGD
Retailer 20$20,693 SGD
Retailer 4$21,342 SGD
Retailer 15$21,658 SGD
Retailer 8$23,705 SGD
Retailer 12$24,275 SGD
Retailer 18$29,067 SGD
Retailer 6$32,487 SGD
Taylor and Hart$38,171 SGD

29 data points across 22 retailers

23 retailers$10,058 SGD to $38,171 SGD

A
Cheapest Retailer
-
$10,058 SGD
$7,868 USD
A
Retailer 2
-
$10,361 SGD
$8,105 USD
View
A
Retailer 3
-
$10,460 SGD
$8,182 USD
View
A
Retailer 4
-
$11,265 SGD
$8,812 USD
View
Final sale: no returns
A
Retailer 5
-
$11,667 SGD
$9,126 USD
View
A
Retailer 6
-
$11,697 SGD
$9,150 USD
View
A
Retailer 7
-
$12,008 SGD
£7,396 GBP
View
A
Retailer 8
-
$12,978 SGD
$10,152 USD
View
A
Retailer 9
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$13,121 SGD
$10,264 USD
View
A
Retailer 10
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$13,317 SGD
$10,417 USD
View
A
Retailer 11
-
$13,506 SGD
$10,565 USD
View
A
Retailer 12
-
$13,679 SGD
$10,700 USD
View
Retailer 13
-
$13,744 SGD
$10,751 USD
View
Price last confirmed 16 days ago
A
Retailer 14
-
$14,271 SGD
£8,790 GBP
View
A
Retailer 15
-
$16,716 SGD
£10,296 GBP
View
A
Retailer 16
-
$20,693 SGD
€15,416 EUR
View
A
Retailer 17
-
$21,342 SGD
$16,694 USD
View
A
Retailer 18
-
$21,658 SGD
£13,340 GBP
View
A
Retailer 19
-
$23,705 SGD
ZAR 299,555 ZAR
View
B+
Retailer 20
-
$24,275 SGD
A$29,213 AUD
View
B+
Retailer 21
-
$29,067 SGD
A$34,980 AUD
View
B+
Retailer 22
-
$32,487 SGD
$25,412 USD
View
Most Expensive
B
Taylor and Hart
AC4DQ7Q · Oct 31
$38,171 SGD
$29,858 USD
View
22 more retailers have this diamond
Prices start from $10,058 SGDSave up to $28,112 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
5.10ct Radiant
$10,058 SGD