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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818659742

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

Certificate IGI LG818659742

Diamond specifications and retailer prices

From $758 SGD
$593 USD
As of October 30, 2026
Save $4,426 SGD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,184 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG818659742 or 818659742. Listed at 22 retailers as of October 28, 2026, with prices from $758 to $5,184, a $4,426 spread on the same certified stone. Rare Carat lists it at $5,184. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659742
Dimensions8.20 × 6.12 × 3.97 mm
L/W Ratio1.34
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
8.20 mm6.12 mm1.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659742
Side View
Table 66.0%Crown 42.8°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
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: $5,184 SGD|Low: $758 SGD|High: $6,954 SGD|Avg: $2,599 SGD|-1.1%
Rare Carat
Retailer 2
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Retailer 11
Retailer 12
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Retailer 21
October 30, 2026
Retailer 14$758 SGD
Retailer 21$849 SGD
Retailer 19$880 SGD
Retailer 12$940 SGD
Retailer 15$996 SGD
Retailer 20$1,106 SGD
Retailer 5$1,442 SGD
Retailer 16$1,469 SGD
Retailer 4$1,533 SGD
Retailer 18$1,614 SGD
Retailer 7$1,723 SGD
Retailer 6$2,120 SGD
Retailer 10$2,470 SGD
Retailer 8$2,728 SGD
Retailer 9$3,039 SGD
Retailer 2$3,080 SGD
Retailer 11$3,197 SGD
Retailer 17$4,100 SGD
Retailer 3$4,481 SGD
Retailer 13$5,075 SGD
Rare Carat$5,184 SGD

26 data points across 21 retailers

22 retailers$758 SGD to $5,184 SGD

A
Cheapest Retailer
-
$758 SGD
$593 USD
A
Retailer 2
-
$849 SGD
$664 USD
View
A
Retailer 3
-
$880 SGD
$688 USD
View
Final sale: no returns
Retailer 4
-
$937 SGD
$733 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$940 SGD
$735 USD
View
A
Retailer 6
-
$996 SGD
£614 GBP
View
A
Retailer 7
-
$1,106 SGD
$865 USD
View
A
Retailer 8
-
$1,442 SGD
$1,128 USD
View
A
Retailer 9
-
$1,469 SGD
£905 GBP
View
Retailer 10
-
$1,533 SGD
€1,142 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$1,614 SGD
ZAR 20,400 ZAR
View
B+
Retailer 12
-
$1,723 SGD
$1,348 USD
View
B+
Retailer 13
-
$2,120 SGD
$1,658 USD
View
B+
Retailer 14
-
$2,470 SGD
$1,932 USD
View
B+
Retailer 15
-
$2,728 SGD
£1,680 GBP
View
B+
Retailer 16
-
$3,039 SGD
$2,377 USD
View
B+
Retailer 17
-
$3,080 SGD
$2,409 USD
View
B+
Retailer 18
-
$3,197 SGD
View
B
Retailer 19
-
$4,100 SGD
£2,525 GBP
View
B
Retailer 20
-
$4,481 SGD
$3,505 USD
View
B
Retailer 21
-
$5,075 SGD
$3,970 USD
View
Most Expensive
B
Rare Carat
VL-144984 · Oct 28
$5,184 SGD
$4,055 USD
View
21 more retailers have this diamond
Prices start from $758 SGDSave up to $4,426 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
$758 SGD