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Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG681558901

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

Certificate IGI LG681558901

Diamond specifications and retailer prices

From $410 SGD
$321 USD
As of October 30, 2026
Save $3,233 SGD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,643 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681558901 or 681558901. Listed at 24 retailers as of October 29, 2026, with prices from $410 to $3,643, a $3,233 spread on the same certified stone. Do Amore Diamonds lists it at $3,643. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681558901
Dimensions7.54 × 5.55 × 3.74 mm
L/W Ratio1.36
Culet sizePointed
Top View
7.54 mm5.55 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681558901
Side View
Table 65.0%Crown 47.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

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: $1,609 SGD|Low: $394 SGD|High: $3,618 SGD|Avg: $1,243 SGD|-0.6%
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
October 30, 2026
Retailer 7$410 SGD
Retailer 11$458 SGD
Retailer 6$476 SGD
Retailer 3$509 SGD
Retailer 5$509 SGD
Retailer 9$595 SGD
Retailer 15$678 SGD
Retailer 14$964 SGD
Retailer 10$1,010 SGD
Retailer 12$1,363 SGD
Retailer 4$1,491 SGD
Retailer 1$1,609 SGD
Retailer 8$1,804 SGD
Retailer 2$2,186 SGD
Retailer 13$2,205 SGD
Retailer 16$3,516 SGD

30 data points across 16 retailers

24 retailers$410 SGD to $3,643 SGD

A
Cheapest Retailer
-
$410 SGD
$321 USD
A
Retailer 2
-
$458 SGD
$358 USD
View
Final sale: no returns
A
Retailer 3
-
$476 SGD
$372 USD
View
A
Retailer 4
-
$509 SGD
$398 USD
View
A
Retailer 5
-
$509 SGD
$398 USD
View
A
Retailer 6
-
$595 SGD
£367 GBP
View
A
Retailer 7
-
$678 SGD
$530 USD
View
A
Retailer 8
-
$678 SGD
$530 USD
View
A
Retailer 9
-
$715 SGD
$559 USD
View
A
Retailer 10
-
$964 SGD
ZAR 12,188 ZAR
View
A
Retailer 11
-
$977 SGD
$764 USD
View
A
Retailer 12
-
$1,010 SGD
£622 GBP
View
B+
Retailer 13
-
$1,363 SGD
A$1,640 AUD
View
B+
Retailer 14
-
$1,491 SGD
$1,166 USD
View
B+
Retailer 15
-
$1,609 SGD
A$1,936 AUD
View
B+
Retailer 16
-
$1,804 SGD
$1,411 USD
View
B
Retailer 17
-
$1,850 SGD
£1,139 GBP
View
B
Retailer 18
-
$2,006 SGD
$1,569 USD
View
B
Retailer 19
-
$2,012 SGD
$1,574 USD
View
B
Retailer 20
-
$2,182 SGD
£1,344 GBP
View
Retailer 21
-
$2,186 SGD
$1,710 USD
View
Price last confirmed 10 days ago
B+
Retailer 22
-
$2,205 SGD
£1,358 GBP
View
Retailer 23
-
$3,516 SGD
$2,750 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-97E5521D5 · Oct 29
$3,643 SGD
$2,850 USD
View
23 more retailers have this diamond
Prices start from $410 SGDSave up to $3,233 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
1.35ct Radiant
$410 SGD