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Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818654290

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

Certificate IGI LG818654290

Diamond specifications and retailer prices

From $762 SGD
$596 USD
As of October 30, 2026
Save $4,454 SGD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,216 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654290 or 818654290. Listed at 22 retailers as of October 28, 2026, with prices from $762 to $5,216, a $4,454 spread on the same certified stone. Rare Carat lists it at $5,216. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654290
Dimensions8.08 × 5.93 × 4.08 mm
L/W Ratio1.36
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
8.08 mm5.93 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654290
Side View
Table 63.0%Crown 42.2°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 68.8%

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: $5,216 SGD|Low: $762 SGD|High: $7,006 SGD|Avg: $2,433 SGD|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 19
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Retailer 21
October 30, 2026
Retailer 12$762 SGD
Retailer 19$853 SGD
Retailer 8$885 SGD
Retailer 11$945 SGD
Retailer 18$1,112 SGD
Retailer 21$1,223 SGD
Retailer 4$1,451 SGD
Retailer 15$1,477 SGD
Retailer 3$1,541 SGD
Retailer 17$1,623 SGD
Retailer 6$1,742 SGD
Retailer 5$2,047 SGD
Retailer 9$2,484 SGD
Retailer 7$2,747 SGD
Retailer 14$3,056 SGD
Retailer 2$3,099 SGD
Retailer 10$3,212 SGD
Retailer 20$3,380 SGD
Retailer 16$4,122 SGD
Retailer 13$5,101 SGD
Rare Carat$5,216 SGD

31 data points across 21 retailers

22 retailers$762 SGD to $5,216 SGD

A
Cheapest Retailer
-
$762 SGD
$596 USD
A
Retailer 2
-
$853 SGD
$667 USD
View
A
Retailer 3
-
$885 SGD
$692 USD
View
Final sale: no returns
Retailer 4
-
$943 SGD
$738 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$945 SGD
$739 USD
View
A
Retailer 6
-
$1,112 SGD
$870 USD
View
A
Retailer 7
-
$1,223 SGD
$957 USD
View
A
Retailer 8
-
$1,451 SGD
$1,135 USD
View
A
Retailer 9
-
$1,477 SGD
£910 GBP
View
Retailer 10
-
$1,541 SGD
€1,148 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$1,623 SGD
ZAR 20,514 ZAR
View
B+
Retailer 12
-
$1,742 SGD
$1,363 USD
View
B+
Retailer 13
-
$2,047 SGD
$1,601 USD
View
B+
Retailer 14
-
$2,484 SGD
$1,943 USD
View
B+
Retailer 15
-
$2,747 SGD
£1,692 GBP
View
B+
Retailer 16
-
$3,056 SGD
$2,390 USD
View
B+
Retailer 17
-
$3,099 SGD
$2,424 USD
View
B+
Retailer 18
-
$3,212 SGD
View
B
Retailer 19
-
$3,380 SGD
$2,644 USD
View
B
Retailer 20
-
$4,122 SGD
£2,539 GBP
View
B
Retailer 21
-
$5,101 SGD
$3,990 USD
View
Most Expensive
B
Rare Carat
PD-237885 · Oct 28
$5,216 SGD
$4,080 USD
View
21 more retailers have this diamond
Prices start from $762 SGDSave up to $4,454 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
1.71ct Radiant
$762 SGD