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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818641530

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

Certificate IGI LG818641530

Diamond specifications and retailer prices

From $741 SGD
$580 USD
As of October 30, 2026
Save $6,162 SGD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,903 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 LG818641530 or 818641530. Listed at 12 retailers as of October 29, 2026, with prices from $741 to $6,903, a $6,162 spread on the same certified stone. Brilliant Earth lists it at $6,903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641530
Dimensions8.59 × 5.82 × 3.94 mm
L/W Ratio1.48
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
8.59 mm5.82 mm1.70 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641530
Side View
Table 63.0%Crown 43.1°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 67.7%

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: $6,903 SGD|Low: $741 SGD|High: $8,437 SGD|Avg: $3,524 SGD|-18.2%
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
October 29, 2026
Retailer 6$741 SGD
Retailer 11$830 SGD
Retailer 3$1,106 SGD
Retailer 4$1,364 SGD
Retailer 7$1,414 SGD
Retailer 12$1,623 SGD
Retailer 9$2,281 SGD
Retailer 10$2,668 SGD
Retailer 2$4,020 SGD
Retailer 13$5,152 SGD
Retailer 5$5,463 SGD
Retailer 8$6,584 SGD
Brilliant Earth$6,903 SGD

28 data points across 13 retailers

12 retailers$741 SGD to $6,903 SGD

A
Cheapest Retailer
-
$741 SGD
$580 USD
A
Retailer 2
-
$830 SGD
$649 USD
View
A
Retailer 3
-
$1,106 SGD
$865 USD
View
A
Retailer 4
-
$1,364 SGD
$1,067 USD
View
A
Retailer 5
-
$1,414 SGD
$1,106 USD
View
B+
Retailer 6
-
$1,623 SGD
€1,209 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$2,281 SGD
$1,784 USD
View
B+
Retailer 8
-
$2,668 SGD
$2,087 USD
View
B
Retailer 9
-
$4,020 SGD
£2,476 GBP
View
B
Retailer 10
-
$5,152 SGD
$4,030 USD
View
B
Retailer 11
-
$6,584 SGD
$5,150 USD
View
Most Expensive
B
Brilliant Earth
21060216Y · Oct 29
$6,903 SGD
$5,400 USD
View
11 more retailers have this diamond
Prices start from $741 SGDSave up to $6,162 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
1.70ct Radiant
$741 SGD