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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818615290

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818615290

Diamond specifications and retailer prices

From $1,203 NZD
$678 USD
As of October 29, 2026
Save $8,201 NZD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $9,404 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round 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 LG818615290 or 818615290. Listed at 25 retailers as of October 29, 2026, with prices from $1,203 to $9,404, a $8,201 spread on the same certified stone. Do Amore Diamonds lists it at $9,404. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818615290
Dimensions8.00 × 8.04 × 4.87 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.00 mm8.04 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818615290
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $9,404 NZD|Low: $889 NZD|High: $11,267 NZD|Avg: $3,714 NZD
Do Amore Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 4$1,203 NZD
Retailer 22$1,368 NZD
Retailer 7$1,396 NZD
Retailer 14$1,396 NZD
Retailer 6$2,016 NZD
Retailer 9$2,175 NZD
Retailer 24$2,182 NZD
Retailer 5$2,209 NZD
Retailer 20$2,344 NZD
Retailer 23$2,420 NZD
Retailer 13$2,466 NZD
Retailer 19$2,605 NZD
Retailer 21$2,833 NZD
Retailer 11$3,524 NZD
Retailer 17$3,728 NZD
Retailer 16$4,333 NZD
Retailer 3$4,462 NZD
Retailer 8$4,697 NZD
Retailer 10$4,788 NZD
Retailer 12$5,512 NZD
Retailer 18$6,084 NZD
Retailer 2$6,317 NZD
Retailer 15$6,515 NZD
Do Amore Diamonds$9,404 NZD

35 data points across 24 retailers

25 retailers$1,203 NZD to $9,404 NZD

A
Cheapest Retailer
-
$1,203 NZD
$678 USD
A
Retailer 2
-
$1,368 NZD
$771 USD
View
Final sale: no returns
Retailer 3
-
$1,396 NZD
$787 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,396 NZD
$787 USD
View
A
Retailer 5
-
$2,016 NZD
A$1,748 AUD
View
A
Retailer 6
-
$2,175 NZD
$1,226 USD
View
A
Retailer 7
-
$2,182 NZD
$1,230 USD
View
A
Retailer 8
-
$2,209 NZD
$1,245 USD
View
A
Retailer 9
-
$2,344 NZD
€1,258 EUR
View
B+
Retailer 10
-
$2,344 NZD
$1,321 USD
View
B+
Retailer 11
-
$2,420 NZD
$1,364 USD
View
B+
Retailer 12
-
$2,466 NZD
£1,095 GBP
View
B+
Retailer 13
-
$2,833 NZD
ZAR 25,791 ZAR
View
B+
Retailer 14
-
$3,524 NZD
$1,986 USD
View
B+
Retailer 15
-
$3,728 NZD
$2,101 USD
View
B
Retailer 16
-
$4,333 NZD
$2,442 USD
View
B
Retailer 17
-
$4,462 NZD
$2,515 USD
View
B
Retailer 18
-
$4,697 NZD
CA$3,676 CAD
View
B
Retailer 19
-
$4,788 NZD
$2,698 USD
View
B
Retailer 20
-
$5,512 NZD
$3,107 USD
View
B
Retailer 21
-
$5,512 NZD
$3,107 USD
View
B
Retailer 22
-
$6,084 NZD
£2,700 GBP
View
B
Retailer 23
-
$6,317 NZD
$3,560 USD
View
B
Retailer 24
-
$6,515 NZD
$3,672 USD
View
Most Expensive
B
Do Amore Diamonds
20-E93168 · Oct 29
$9,404 NZD
$5,300 USD
View
24 more retailers have this diamond
Prices start from $1,203 NZDSave up to $8,201 NZD

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
1.91ct Round
$1,203 NZD